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Knihovna

SAT: Algebra (200 questions)

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Otázka 1
1.

The function $h$ is defined by $h(x) = 4x + 28$. The graph of $y = h(x)$ in the xy-plane has an x-intercept at $(a, 0)$ and a y-intercept at $(0, b)$, where $a$ and $b$ are constants. What is the value of $a + b$?

Otázka 2
2.

If $4x - 28 = -24$, what is the value of $x - 7$?

Otázka 3
3.

For line $h$, the table shows three values of $x$ and their corresponding values of $y$. Line $k$ is the result of translating line $h$ down 5 units in the $xy$-plane. What is the $x$-intercept of line $k$?

Otázka 4
4.

Hector used a tool called an auger to remove corn from a storage bin at a constant rate. The bin contained 24,000 bushels of corn when Hector began to use the auger. After 5 hours of using the auger, 19,350 bushels of corn remained in the bin. If the auger continues to remove corn at this rate, what is the total number of hours Hector will have been using the auger when 12,840 bushels of corn remain in the bin?

Otázka 5
5.

An economist modeled the demand $Q$ for a certain product as a linear function of the selling price $P$. The demand was 20,000 units when the selling price was $40 per unit, and the demand was 15,000 units when the selling price was $60 per unit. Based on the model, what is the demand, in units, when the selling price is $55 per unit?

Otázka 6
6.

The table shows two values of $x$ and their corresponding values of $y$.

$x$

$y$

$-12$

$-45$

$6$

$45$

The graph of the linear equation representing this relationship passes through the point $\left(\tfrac{1}{4},\,a\right)$. What is the value of $a$?

Otázka 7
7.

A certain apprentice has enrolled in 85 hours of training courses. The equation $10x + 15y = 85$ represents this situation, where $x$ is the number of on-site training courses and $y$ is the number of online training courses this apprentice has enrolled in. How many more hours does each online training course take than each on-site training course?

Otázka 8
8.

Hiro and Sofia purchased shirts and pants from a store. The price of each shirt purchased was the same and the price of each pair of pants purchased was the same. Hiro purchased 4 shirts and 2 pairs of pants for $86, and Sofia purchased 3 shirts and 5 pairs of pants for $166. Which of the following systems of linear equations represents the situation, if $x$ represents the price, in dollars, of each shirt and $y$ represents the price, in dollars, of each pair of pants?

Otázka 9
9.

$d = 16 - \dfrac{x}{30}$

The equation shown gives the estimated amount of diesel $d$, in gallons, that remains in the gas tank of a truck after being driven $x$ miles, where $0 \le x \le 480$. What is the estimated amount of diesel, in gallons, that remains in the gas tank of the truck when $x = 300$?

Otázka 10
10.

$ax + by = 72$
$6x + 2by = 56$

In the given system of equations, $a$ and $b$ are constants. The graphs of these equations in the $xy$-plane intersect at the point $(4, y)$. What is the value of $a$?

Otázka 11
11.

A window repair specialist charges $220 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 5 hours of repair is $400. Which function $f$ gives the total cost, in dollars, for $x$ hours of repair, where $x \ge 2$?

Otázka 12
12.

$\dfrac{3}{2}y - \dfrac{1}{4}x = \dfrac{2}{3} - \dfrac{3}{2}y$
$\dfrac{1}{2}x + \dfrac{3}{2} = py + \dfrac{9}{2}$

In the given system of equations, $p$ is a constant. If the system has no solution, what is the value of $p$?

Otázka 13
13.

Line $\ell$ is defined by $3y + 12x = 5$. Line $n$ is perpendicular to line $\ell$ in the $xy$-plane. What is the slope of line $n$?

Otázka 14
14.

The graph of the equation $ax + ky = 6$ is a line in the $xy$-plane, where $a$ and $k$ are constants. If the line contains the points $(-2, -6)$ and $(0, -3)$, what is the value of $k$?

Otázka 15
15.

The total cost $f(x)$, in dollars, to lease a car for 36 months from a particular car dealership is given by $f(x) = 36x + 1{,}000$, where $x$ is the monthly payment, in dollars. What is the total cost to lease a car when the monthly payment is $\$400$?

Otázka 16
16.

A veterinarian recommends that each day a certain rabbit should eat 25 calories per pound of the rabbit’s weight, plus an additional 11 calories. Which equation represents this situation, where $c$ is the total number of calories the veterinarian recommends the rabbit should eat each day if the rabbit’s weight is $x$ pounds?

Otázka 17
17.

The system of equations above has solution $(x, y)$. What is the value of $x$?

Equation 1: one-half y equals 4

Equation 2: x minus one-half y equals 2

Otázka 18
18.

$\dfrac{12x + 28}{4} - \dfrac{s}{13} = r(x - 8)$

In the given equation, $s$ and $r$ are constants, and $s > 0$. If the equation has infinitely many solutions, what is the value of $s$?

Otázka 19
19.

What system of linear equations is represented by the lines shown?

Otázka 20
20.

The function $f$ is defined by $f(x) = 25x + 30$. What is the value of $f(x)$ when $x = 2$?

Otázka 21
21.

Line $k$ is defined by $y = -\frac{17}{3}x + 5$. Line $j$ is perpendicular to line $k$ in the $xy$-plane. What is the slope of line $j$?

Otázka 22
22.

$2(8x) + 4(7y) = 12$
$-2(8x) + 4(7y) = 12$

The solution to the given system of equations is $(x, y)$. What is the value of $8x + 7y$?

Otázka 23
23.

A cargo helicopter delivers only 100-pound packages and 120-pound packages. For each delivery trip, the helicopter must carry at least 10 packages, and the total weight of the packages can be at most 1,100 pounds. What is the maximum number of 120-pound packages that the helicopter can carry per trip?

Otázka 24
24.

Question: If $2x + 3 = 9$, what is the value of $6x - 1$?

Otázka 25
25.

The function $f$ is defined by $f(x) = 8x$. For what value of $x$ does $f(x) = 72$?

Otázka 26
26.

$f(x) = 4x + b$

For the linear function $f$, $b$ is a constant and $f(7) = 28$. What is the value of $b$?

Otázka 27
27.

The table gives the coordinates of two points on a line in the $xy$-plane.

$x$

$y$

$k$

$13$

$k + 7$

$-15$

The $y$-intercept of the line is $(k - 5, b)$, where $k$ and $b$ are constants. What is the value of $b$?

Otázka 28
28.

Gabriella deposits $35 in a savings account at the end of each week. At the beginning of the 1st week of a year there was $600 in that savings account. How much money, in dollars, will be in the account at the end of the 4th week of that year?

Otázka 29
29.

$3x = 36y - 45$

One of the two equations in a system of linear equations is given. The system has no solution. Which equation could be the second equation in this system?

Otázka 30
30.

ID: d1b66ae6
$-x + y = -3.5$
$x + 3y = 9.5$

If $(x, y)$ satisfies the system of equations above, what is the value of $y$?

Otázka 31
31.

A store sells two different-sized containers of a certain Greek yogurt. The store’s sales of this Greek yogurt totaled 1,277.94 dollars last month. The equation $5.48x + 7.30y = 1{,}277.94$ represents this situation, where $x$ is the number of smaller containers sold and $y$ is the number of larger containers sold. According to the equation, which of the following represents the price, in dollars, of each smaller container?

Otázka 32
32.

$7(2x - 3) = 63$

Which equation has the same solution as the given equation?

Otázka 33
33.

Line $k$ is defined by $y = 3x + 15$. Line $j$ is perpendicular to line $k$ in the $xy$-plane. What is the slope of line $j$?

Otázka 34
34.

The point $(8, 2)$ in the xy-plane is a solution to which of the following systems of inequalities?

Otázka 35
35.

$5x = 15$
$-4x + y = -2$

The solution to the given system of equations is $(x, y)$. What is the value of $x + y$?

Otázka 36
36.

The cost of renting a backhoe for up to 10 days is $270 for the first day and $135 for each additional day. Which of the following equations gives the cost $y$, in dollars, of renting the backhoe for $x$ days, where $x$ is a positive integer and $x \le 10$?

Otázka 37
37.

What value of $p$ satisfies the equation $5p + 180 = 250$?

Otázka 38
38.

The front of a roller-coaster car is at the bottom of a hill and is 15 feet above the ground. If the front of the roller-coaster car rises at a constant rate of 8 feet per second, which of the following equations gives the height $h$, in feet, of the front of the roller-coaster car $s$ seconds after it starts up the hill?

Otázka 39
39.

According to a model, the head width, in millimeters, of a worker bumblebee can be estimated by adding 0.6 to four times the body weight of the bee, in grams. According to the model, what would be the head width, in millimeters, of a worker bumblebee that has a body weight of 0.5 grams?

Otázka 40
40.

The graph of a system of linear equations is shown. What is the solution $(x, y)$ to the system?

Otázka 41
41.

If $3x - 8 = 7$, what is the value of $3x + 8$?

Otázka 42
42.

Line $p$ is defined by $4y + 8x = 6$. Line $r$ is perpendicular to line $p$ in the $xy$-plane. What is the slope of line $r$?

Otázka 43
43.

If $3x - 27 = 24$, what is the value of $x - 9$?

Otázka 44
44.

Line $p$ is defined by $2y + 18x = 9$. Line $r$ is perpendicular to line $p$ in the $xy$-plane. What is the slope of line $r$?

Otázka 45
45.

The graph in the $xy$-plane models the possible combinations of length $x$, in meters ($m$), and width $y$, in meters, for a rectangle with a perimeter of $36\ m$. Which statement is the best interpretation of the point $(8,10)$ in this context?

Otázka 46
46.

The function $f$ is defined by $f(x) = \dfrac{7}{10}x + 55$. What is the value of $f(20)$?

Otázka 47
47.

$8x - 7x + 130 = 260$

What value of $x$ is the solution to the given equation?

Otázka 48
48.

Adam’s school is a 20-minute walk or a 5-minute bus ride away from his house. The bus runs once every 30 minutes, and the number of minutes, $w$, that Adam waits for the bus varies between 0 and 30. Which of the following inequalities gives the values of $w$ for which it would be faster for Adam to walk to school?

Otázka 49
49.

ID: 06fc1726
If $f$ is the function defined by $f(x) = \dfrac{2x - 1}{3}$, what is the value of $f(5)$?

Otázka 50
50.

$w + 7 = 357$

What value of $w$ is the solution to the given equation?

Otázka 51
51.

The function $f$ is defined by $f(x) = 4x + k(x - 1)$, where $k$ is a constant, and $f(5) = 32$. What is the value of $f(10)$?

Otázka 52
52.

$\dfrac{2}{5}x + \dfrac{7}{5}y = \dfrac{2}{7}$

$gx + ky = \dfrac{5}{2}$

In the given system of equations, $g$ and $k$ are constants. The system has infinitely many solutions. What is the value of $\dfrac{g}{k}$?

Otázka 53
53.

$2x - y > 883$

For which of the following tables are all the values of $x$ and their corresponding values of $y$ solutions to the given inequality?

A.

$x$

$y$

440

0

441

$-2$

442

$-4$

B.

$x$

$y$

440

0

442

$-2$

441

$-4$

C.

$x$

$y$

442

0

440

$-2$

441

$-4$

D.

$x$

$y$

442

0

441

$-2$

440

$-4$

Otázka 54
54.

$d = 16t$

The given equation represents the distance $d$, in inches, where $t$ represents the number of seconds since an object started moving. Which of the following is the best interpretation of 16 in this context?

Otázka 55
55.

$7x + 6y = 5$

$28x + 24y = 20$

For each real number $r$, which of the following points lies on the graph of each equation in the $xy$-plane for the given system?

Otázka 56
56.

ID: 51aabd93

$(p + 3) + 8 = 10$

What value of $p$ is the solution to the given equation?

Otázka 57
57.

$f(x) = 39$

For the given linear function $f$, which table gives three values of $x$ and their corresponding values of $f(x)$?

A.

$x$

$f(x)$

0

0

1

0

2

0

B.

$x$

$f(x)$

0

39

1

39

2

39

C.

$x$

$f(x)$

0

0

1

39

2

78

D.

$x$

$f(x)$

0

39

1

0

2

-39

Otázka 58
58.

A manufacturing plant makes 10-inch, 9-inch, and 7-inch frying pans. During a certain day, the number of 10-inch frying pans that the manufacturing plant makes is 4 times the number $n$ of 9-inch frying pans it makes, and the number of 7-inch frying pans it makes is 10. During this day, the manufacturing plant makes 100 frying pans total. Which equation represents this situation?

Otázka 59
59.

ID: b52e5b6f

A mixture consisting of only vitamin D and calcium has a total mass of 150 grams. The mass of vitamin D in the mixture is 50 grams. What is the mass, in grams, of calcium in the mixture?

Otázka 60
60.

The function $g$ is defined by $g(x) = 6x$. For what value of $x$ is $g(x) = 54$?

Otázka 61
61.

$4x + 5 = 165$

What is the solution to the given equation?

Otázka 62
62.

The graph of the linear function $f$ is shown, where $y = f(x)$. What is the x-intercept of the graph of $f$?

Otázka 63
63.

A company that provides whale-watching tours takes groups of 21 people at a time. The company's revenue is 80 dollars per adult and 60 dollars per child. If the company's revenue for one group consisting of adults and children was 1,440 dollars, how many people in the group were children?

Otázka 64
64.

Line $k$ is defined by $y = \frac{17}{7}x + 4$. Line $j$ is parallel to line $k$ in the $xy$-plane. What is the slope of line $j$?

Otázka 65
65.

$-12x + 14y = 36$

$-6x + 7y = -18$

How many solutions does the given system of equations have?

Otázka 66
66.

In August, a car dealer completed 15 more than 3 times the number of sales the car dealer completed in September. In August and September, the car dealer completed 363 sales. How many sales did the car dealer complete in September?

Otázka 67
67.

In the $xy$-plane, the graph of the linear function $f$ contains the points $(0,3)$ and $(7,31)$. Which equation defines $f$, where $y = f(x)$?

Otázka 68
68.

$y = 12x - 20$

$y = 28$

What is the solution $(x, y)$ to the given system of equations?

Otázka 69
69.

The graph of the linear function $f$ is shown. What is the $y$-intercept of the graph of $y = f(x)$?

Otázka 70
70.

The number $y$ is 84 less than the number $x$. Which equation represents the relationship between $x$ and $y$?

Otázka 71
71.

The function $f$ is defined by $f(x) = 4x - 3$. What is the value of $f(10)$?

Otázka 72
72.

The function $f$ is defined by the equation $f(x) = 7x + 2$. What is the value of $f(x)$ when $x = 4$?

Otázka 73
73.

ID: 0dd6227f

At how many points do the graphs of the equations $y = x + 20$ and $y = 8x$ intersect in the $xy$-plane?

Otázka 74
74.

For a snowstorm in a certain town, the minimum rate of snowfall recorded was 0.6 inches per hour, and the maximum rate of snowfall recorded was 1.8 inches per hour. Which inequality is true for all values of $s$, where $s$ represents a rate of snowfall, in inches per hour, recorded for this snowstorm?

Otázka 75
75.

During a portion of a flight, a small airplane's cruising speed varied between 150 miles per hour and 170 miles per hour. Which inequality best represents this situation, where $s$ is the cruising speed, in miles per hour, during this portion of the flight?

Otázka 76
76.

John paid a total of $$165$ for a microscope by making a down payment of $$37$ plus $p$ monthly payments of $$16$ each. Which of the following equations represents this situation?

Otázka 77
77.

$y = 3x$

$2x + y = 12$

The solution to the given system of equations is $(x, y)$. What is the value of $5x$?

Otázka 78
78.

Valentina bought two containers of beads. In the first container 30% of the beads are red, and in the second container 70% of the beads are red. Together, the containers have at least 400 red beads. Which inequality shows this relationship, where $x$ is the total number of beads in the first container and $y$ is the total number of beads in the second container?

Otázka 79
79.

$y = x + 4$

Which table gives three values of $x$ and their corresponding values of $y$ for the given equation?

A.

$x$

$y$

0

4

1

5

2

6

B.

$x$

$y$

0

6

1

5

2

4

C.

$x$

$y$

0

2

1

1

2

0

D.

$x$

$y$

0

0

1

1

2

2

Otázka 80
80.

As part of a science project on evaporation, Amaya measured the height of a liquid in a container over a period of time. The function $f(x) = 33 - 0.18x$ gives the estimated height, in centimeters (cm), of the liquid in the container $x$ days after the start of the project. Which of the following is the best interpretation of 33 in this context?

Otázka 81
81.

Lorenzo purchased a box of cereal and some strawberries at the grocery store. Lorenzo paid $2 for the box of cereal and $1.90 per pound for the strawberries. If Lorenzo paid a total of $9.60 for the box of cereal and the strawberries, which of the following equations can be used to find $p$, the number of pounds of strawberries Lorenzo purchased? (Assume there is no sales tax.)

Otázka 82
82.

$24.5x + 24.75y = 641$

Isabel ordered topsoil and crushed stone, which cost a total of $641, for her garden. The given equation represents the relationship between the number of cubic yards of topsoil, $x$, and the number of tons of crushed stone, $y$, Isabel ordered. How much more, in dollars, did a ton of crushed stone cost Isabel than a cubic yard of topsoil?

Otázka 83
83.

$48x - 64y = 48y + 24$

$ry = \frac{1}{8} - 12x$

In the given system of equations, $r$ is a constant. If the system has no solution, what is the value of $r$?

Otázka 84
84.

A chemist studying the impact of salt on a process mixes $x$ kilograms of a low-salt mixture, which is 2% salt by weight, with $y$ kilograms of a high-salt mixture, which is 96% salt by weight, to create 24 kilograms of a mixture that is 4% salt by weight. Which equation represents this situation?

Otázka 85
85.

The total cost, in dollars, to rent a surfboard consists of a $25 service fee and a $10 per hour rental fee. A person rents a surfboard for $t$ hours and intends to spend a maximum of $75 to rent the surfboard. Which inequality represents this situation?

Otázka 86
86.

A model predicts that a certain animal weighed 241 pounds when it was born and that the animal gained 3 pounds per day in its first year of life. This model is defined by an equation in the form $f(x) = a + bx$, where $f(x)$ is the predicted weight, in pounds, of the animal $x$ days after it was born, and $a$ and $b$ are constants. What is the value of $a$?

Otázka 87
87.

$3a + 4b = 25$

A shipping company charged a customer $25 to ship some small boxes and some large boxes. The equation above represents the relationship between $a$, the number of small boxes, and $b$, the number of large boxes, the customer had shipped. If the customer had 3 small boxes shipped, how many large boxes were shipped?

Otázka 88
88.

ID: 24854644

What is the equation of the line that passes through the point $(0,5)$ and is parallel to the graph of $y = 7x + 4$ in the $xy$-plane?

Otázka 89
89.

A group of 202 people went on an overnight camping trip, taking 60 tents with them. Some of the tents held 2 people each, and the rest held 4 people each. Assuming all the tents were filled to capacity and every person got to sleep in a tent, exactly how many of the tents were 2-person tents?

Otázka 90
90.

A company that creates and sells tape dispensers calculates its monthly profit, in dollars, by subtracting its fixed monthly costs, in dollars, from its monthly sales revenue, in dollars. The equation $15{,}000 = 2.00x - 4{,}500$ represents this situation for a month where $x$ tape dispensers are created and sold. Which statement is the best interpretation of $2.00x$ in this context?

Otázka 91
91.

A petting zoo sells two types of tickets. The standard ticket, for admission only, costs $5. The premium ticket, which includes admission and food to give to the animals, costs $12. One Saturday, the petting zoo sold a total of 250 tickets and collected a total of $2,300 from ticket sales. Which of the following systems of equations can be used to find the number of standard tickets, $s$, and premium tickets, $p$, sold on that Saturday?

Otázka 92
92.

In North America, the standard width of a parking space is at least 7.5 feet and no more than 9.0 feet. A restaurant owner recently resurfaced the restaurant’s parking lot and wants to determine the number of parking spaces, $n$, in the parking lot that could be placed perpendicular to a curb that is 135 feet long, based on the standard width of a parking space. Which of the following describes all the possible values of $n$?

Otázka 93
93.

Two customers purchased the same kind of bread and eggs at a store. The first customer paid 12.45 dollars for 1 loaf of bread and 2 dozen eggs. The second customer paid 19.42 dollars for 4 loaves of bread and 1 dozen eggs. What is the cost, in dollars, of 1 dozen eggs?

Otázka 94
94.

$x + y = 75$

The equation above relates the number of minutes, $x$, Maria spends running each day and the number of minutes, $y$, she spends biking each day. In the equation, what does the number 75 represent?

Otázka 95
95.

$3x + 21 = 3x + k$

In the given equation, $k$ is a constant. The equation has infinitely many solutions. What is the value of $k$?

Otázka 96
96.

$g(x) = 11x + 4$

For the given linear function $g$, which table shows three values of $x$ and their corresponding values of $g(x)$?

A.

$x$

$g(x)$

$-1$

$7$

$0$

$11$

$1$

$15$

B.

$x$

$g(x)$

$-1$

$-4$

$0$

$0$

$1$

$4$

C.

$x$

$g(x)$

$-1$

$-7$

$0$

$4$

$1$

$15$

D.

$x$

$g(x)$

$-1$

$-11$

$0$

$0$

$1$

$11$

Otázka 97
97.

$3(2x - 6) - 11 = 4(x - 3) + 6$

If $x$ is the solution to the equation above, what is the value of $x - 3$?

Otázka 98
98.

$y = 4$

$x = y + 6$

The solution to the given system of equations is $(x, y)$. What is the value of $x$?

Otázka 99
99.

A factory makes 9-inch, 7-inch, and 4-inch concrete screws. During a certain day, the number of 9-inch concrete screws that the factory makes is 5 times the number $n$ of 7-inch concrete screws, and the number of 4-inch concrete screws is 22. During this day, the factory makes 100 concrete screws total. Which equation represents this situation?

Otázka 100
100.

The graph of a system of linear equations is shown. What is the solution $(x, y)$ to the system?

Otázka 101
101.

Alan drives an average of 100 miles each week. His car can travel an average of 25 miles per gallon of gasoline. Alan would like to reduce his weekly expenditure on gasoline by $5. Assuming gasoline costs $4 per gallon, which equation can Alan use to determine how many fewer average miles, $m$, he should drive each week?

A.

25 over 4 m equals 95

B.

25 over 4 m equals 5

C.

4 over 25 m equals 95

D.

4 over 25 m equals 5

Otázka 102
102.

A certain township consists of a 5-hectare industrial park and a 24-hectare neighborhood. The total number of trees in the township is 4,529. The equation $5x + 24y = 4{,}529$ represents this situation. Which of the following is the best interpretation of $x$ in this context?

Otázka 103
103.

Coordinate plane with a slanted boundary line and a shaded region to the right of the line.

The shaded region shown represents the solutions to an inequality. Which ordered pair $(x, y)$ is a solution to this inequality?

Otázka 104
104.

The equation $7g + 7b = 840$ represents the number of blue tiles, $b$, and the number of green tiles, $g$, an artist needs for an 840-square-inch tile project. The artist needs 71 blue tiles for the project. How many green tiles does he need?

Otázka 105
105.

The function $g$ is defined by $g(x) = -x + 8$.

What is the value of $g(0)$?

Otázka 106
106.

A chemist combines water and acetic acid to make a mixture with a volume of $56$ milliliters (mL). The volume of acetic acid in the mixture is $10$ mL. What is the volume of water, in mL, in the mixture? (Assume that the volume of the mixture is the sum of the volumes of water and acetic acid before they were mixed.)

Otázka 107
107.

$y \le x$
$y \le -x$
Which of the following ordered pairs $(x, y)$ is a solution to the system of inequalities above?

Otázka 108
108.

Line $t$ in the $xy$-plane has a slope of $-\dfrac{1}{3}$ and passes through the point $(9,10)$. Which equation defines line $t$?

Otázka 109
109.

$2n + 6 = 14$
A tree had a height of 6 feet when it was planted. The equation above can be used to find how many years $n$ it took the tree to reach a height of 14 feet. Which of the following is the best interpretation of the number 2 in this context?

Otázka 110
110.

$2x + 16 = a(x + 8)$
In the given equation, $a$ is a constant. If the equation has infinitely many solutions, what is the value of $a$?

Otázka 111
111.

In the $xy$-plane, line $t$ passes through the points $(0, 9)$ and $(1, 17)$. Which equation defines line $t$?

Otázka 112
112.

If $\dfrac{x}{8} = 5$, what is the value of $\dfrac{8}{x}$?

Otázka 113
113.

A machine makes large boxes or small boxes, one at a time, for a total of $700$ minutes each day. It takes the machine $10$ minutes to make a large box or $5$ minutes to make a small box. Which equation represents the possible number of large boxes, $x$, and small boxes, $y$, the machine can make each day?

Otázka 114
114.

The perimeter of an isosceles triangle is 83 inches. Each of the two congruent sides of the triangle has a length of 24 inches. What is the length, in inches, of the third side?

Otázka 115
115.

If $3x = 30$, what is the value of $3x - 12$?

Otázka 116
116.

ID: 12ee1edc
$(b - 2)x = 8$
In the given equation, $b$ is a constant. If the equation has no solution, what is the value of $b$?

Otázka 117
117.

Line $r$ in the $xy$-plane has a slope of $4$ and passes through the point $(0,6)$. Which equation defines line $r$?

Otázka 118
118.

A total of 364 paper straws of equal length were used to construct two types of polygons: triangles and rectangles. The triangles and rectangles were constructed so that no two polygons had a common side. The equation $3x + 4y = 364$ represents this situation, where $x$ is the number of triangles constructed and $y$ is the number of rectangles constructed. What is the best interpretation of $(x, y) = (24, 73)$ in this context?

Otázka 119
119.

If the graph of $27x + 33y = 297$ is shifted down 5 units in the $xy$-plane, what is the y-intercept of the resulting graph?

Otázka 120
120.

The function $f$ is defined by $f(x) = 4x$. For what value of $x$ does $f(x) = 8$?

Otázka 121
121.

On a car trip, Rhett and Jessica each drove for part of the trip, and the total distance they drove was under $220$ miles. Rhett drove at an average speed of $35$ miles per hour (mph), and Jessica drove at an average speed of $40$ mph. Which of the following inequalities represents this situation, where $r$ is the number of hours Rhett drove and $j$ is the number of hours Jessica drove?

Otázka 122
122.

ID: ee2f611f
A local transit company sells a monthly pass for $95 that allows an unlimited number of trips of any length. Tickets for individual trips cost $1.50, $2.50, or $3.50, depending on the length of the trip. What is the minimum number of trips per month for which a monthly pass could cost less than purchasing individual tickets for trips?

Otázka 123
123.

The equation $y = 0.1x$ models the relationship between the number of different pieces of music a certain pianist practices, $y$, during an $x$-minute practice session. How many pieces did the pianist practice if the session lasted 30 minutes?

Otázka 124
124.

A bakery sells trays of cookies. Each tray contains at least 50 cookies but no more than 60. Which of the following could be the total number of cookies on 4 trays of cookies?

Otázka 125
125.

How many solutions does the equation $10(15x - 9) = -15(6 - 10x)$ have?

Otázka 126
126.

$y = -2x$
$3x + y = 40$
The solution to the given system of equations is $(x, y)$. What is the value of $x$?

Otázka 127
127.

Hydrogen is placed inside a container and kept at a constant pressure. The graph shows the estimated volume $y$, in liters, of the hydrogen when its temperature is $x$ kelvins.What is the estimated volume, in liters, of the hydrogen when its temperature is 500 kelvins?

Otázka 128
128.

$x + y = 18$
$5y = x$
What is the solution $(x, y)$ to the given system of equations?

ID: 3f5375d9
The line graphed in the xy-plane below models the total cost, in dollars, for a cab ride, $y$, in a certain city during nonpeak hours based on the number of miles traveled, $x$.

Graph titled 'Total Cost for a Cab Ride' showing a line relating distance traveled in miles to total cost in dollars.

1
Otázka 129
129.

According to the graph, what is the cost for each additional mile traveled, in dollars, of a cab ride?

Otázka 130
130.

ID: fdee0fbf
In the xy-plane, line $k$ intersects the y-axis at the point $(0,-6)$ and passes through the point $(2,2)$. If the point $(20,w)$ lies on line $k$, what is the value of $w$?

Otázka 131
131.

$y \le x + 7$
$y \ge -2x - 1$
Which point $(x, y)$ is a solution to the given system of inequalities in the $xy$-plane?

Otázka 132
132.

A team of workers has been moving cargo off of a ship. The equation below models the approximate number of tons of cargo, $y$, that remains to be moved $x$ hours after the team started working.
$y = 120 - 25x$
The graph of this equation in the $xy$-plane is a line. What is the best interpretation of the x-intercept in this context?

Otázka 133
133.

$y = 2x + 10$
$y = 2x - 1$
At how many points do the graphs of the given equations intersect in the $xy$-plane?

Otázka 134
134.

ID: b2845d88

Graph of a line on the xy-plane

Which of the following is an equation of the graph shown in the xy-plane above?

Otázka 135
135.

$4x - 6y = 10y + 2$
$ty = \dfrac{1}{2} + 2x$
In the given system of equations, $t$ is a constant. If the system has no solution, what is the value of $t$?

Otázka 136
136.

ID: d0e614a6
$\frac{3}{5}x + \frac{3}{4}y = 7$
Which table gives three values of $x$ and their corresponding values of $y$ for the given equation?

Otázka 137
137.

In the $xy$-plane, line $k$ has a slope of $5$ and a $y$-intercept of $(0, -35)$. What is the $x$-coordinate of the $x$-intercept of line $k$?

Otázka 138
138.

A contract for a certain service requires a onetime activation cost of $35 and a monthly cost of $23. Which equation represents this situation, where $c$ is the total cost, in dollars, of this service contract for $t$ months?

Otázka 139
139.

An employee at a restaurant prepares sandwiches and salads. It takes the employee $1.5$ minutes to prepare a sandwich and $1.9$ minutes to prepare a salad. The employee spends a total of $46.1$ minutes preparing $x$ sandwiches and $y$ salads. Which equation represents this situation?

Otázka 140
140.

$F(x) = \frac{9}{5}(x - 273.15) + 32$
The function $F$ gives the temperature, in degrees Fahrenheit, that corresponds to a temperature of $x$ kelvins. If a temperature increased by $9.10$ kelvins, by how much did the temperature increase, in degrees Fahrenheit?

Otázka 141
141.

$\frac{4x}{5} = 20$
In the equation above, what is the value of $x$?

Otázka 142
142.

The pressure exerted on a scuba diver at sea level is $14.70$ pounds per square inch (psi). For each foot the scuba diver descends below sea level, the pressure exerted on the scuba diver increases by $0.44$ psi. What is the total pressure, in psi, exerted on the scuba diver at $105$ feet below sea level?

Otázka 143
143.

A truck can haul a maximum weight of $5{,}630$ pounds. During one trip, the truck will be used to haul a $190$-pound piece of equipment as well as several crates. Some of these crates weigh $25$ pounds each and the others weigh $62$ pounds each. Which inequality represents the possible combinations of the number of $25$-pound crates, $x$, and the number of $62$-pound crates, $y$, the truck can haul during one trip if only the piece of equipment and the crates are being hauled?

Otázka 144
144.

ID: 6e6a3241
$x + 5y = 5$
$2x - y = -4$
Which of the following graphs in the xy-plane could be used to solve the system of equations above?

Otázka 145
145.

$3(kx + 13) = \frac{48}{17}x + 36$
In the given equation, $k$ is a constant. The equation has no solution. What is the value of $k$?

Otázka 146
146.

The function $f$ is defined by $f(x) = 7x - 84$. What is the $x$-intercept of the graph of $y = f(x)$ in the $xy$-plane?

Otázka 147
147.

The table gives the average time $t$, in minutes, it takes Carly to travel a certain distance $d$, in kilometers. Which equation could represent this linear relationship?

Otázka 148
148.

The table shows four values of $x$ and their corresponding values of $f(x)$.

$x$

10

15

20

25

$f(x)$

82

137

192

247

There is a linear relationship between $x$ and $f(x)$ that is defined by the equation $f(x) = mx - 28$, where $m$ is a constant. What is the value of $m$?

Otázka 149
149.

Julissa needs at least 100 hours of flight time to get her private pilot certification. If Julissa already has 86 hours of flight time, what is the minimum number of additional hours of flight time Julissa needs to get her private pilot certification?

The graph of the linear function $y = f(x) + 19$ is shown. If $c$ and $d$ are positive constants, which equation could define $f$?

1
Otázka 150
150.

If $c$ and $d$ are positive constants, which equation could define $f$?

Otázka 151
151.

$x = 10$
$y = x + 21$

The solution to the given system of equations is $(x, y)$. What is the value of $y$?

Otázka 152
152.

$y = -\dfrac{1}{9}x$
$y = \dfrac{1}{2}x$

The solution to the given system of equations is $(x, y)$. What is the value of $x$?

Otázka 153
153.

A salesperson’s total earnings consist of a base salary of $x$ dollars per year, plus commission earnings of $11\%$ of the total sales the salesperson makes during the year. This year, the salesperson has a goal for the total earnings to be at least $3$ times and at most $4$ times the base salary. Which of the following inequalities represents all possible values of total sales $s$, in dollars, the salesperson can make this year in order to meet that goal?

Otázka 154
154.

For the linear function $f$, the table shows three values of $x$ and their corresponding values of $f(x)$. If $h(x) = f(x) - 13$, which equation defines $h$?

Otázka 155
155.

ID: 7392dfc1

Which of the following is equivalent to $4x + 6 = 12$?

Otázka 156
156.

ID: 51568fb9

What is the slope of the graph of $10x - 5y = -12$ in the xy-plane?

Otázka 157
157.

In the $xy$-plane, line $p$ has a slope of $-\frac{5}{3}$ and an x-intercept of $(-6, 0)$. What is the y-coordinate of the y-intercept of line $p$?

Otázka 158
158.

One pound of grapes costs $2. At this rate, how many dollars will $c$ pounds of grapes cost?

2c

2 plus c

2 over c

c over 2

Otázka 159
159.

The graph of the function $f$, where $y = f(x)$, gives the total cost $y$, in dollars, for a certain video game system and $x$ games. What is the best interpretation of the slope of the graph in this context?

Otázka 160
160.

A bus traveled on the highway and on local roads to complete a trip of $160$ miles. The trip took $4$ hours. The bus traveled at an average speed of $55$ miles per hour (mph) on the highway and an average speed of $25$ mph on local roads. If $x$ is the time, in hours, the bus traveled on the highway and $y$ is the time, in hours, it traveled on local roads, which system of equations represents this situation?

Otázka 161
161.

On a 210-mile trip, Cameron drove at an average speed of 60 miles per hour for the first $x$ hours. He then completed the trip, driving at an average speed of 50 miles per hour for the remaining $y$ hours. If $x = 1$, what is the value of $y$?

Otázka 162
162.

For the linear function $f$, the graph of $y = f(x)$ in the xy-plane has a slope of $2$ and has a y-intercept at $(0, -5)$. Which equation defines $f$?

Otázka 163
163.

Ty set a goal to walk at least 24 kilometers every day to prepare for a multiday hike. On a certain day, Ty plans to walk at an average speed of 4 kilometers per hour. What is the minimum number of hours Ty must walk on that day to fulfill the daily goal?

Otázka 164
164.

System of equations y = 2x + 3 and x = 1

What is the solution (x, y) to the given system of equations?

Otázka 165
165.

A system of two linear equations is graphed in the xy-plane below.

Graph of a system of two linear equations in the xy-plane

Which of the following points is the solution to the system of equations?

Otázka 166
166.

$f(x) = 45x + 600$

The function $f$ gives the monthly fee $f(x)$, in dollars, a facility charges to keep $x$ crates in storage. What is the monthly fee, in dollars, the facility charges to keep 50 crates in storage?

Otázka 167
167.

The function $f$ is defined by $f(x) = 80 - 6x$. What is the value of $f(7)$?

Otázka 168
168.

If $46 = 16 + 2(x - 8)$, what is the value of $2(x - 8)$?

Otázka 169
169.

The functions $f$ and $g$ are defined as $f(x) = \frac{1}{4}x - 9$ and $g(x) = \frac{3}{4}x + 21$. If the function $h$ is defined as $h(x) = f(x) + g(x)$, what is the $x$-coordinate of the $x$-intercept of the graph of $y = h(x)$ in the $xy$-plane?

Otázka 170
170.

A principal used a total of 25 flags that were either blue or yellow for field day. The principal used 20 blue flags. How many yellow flags were used?

Otázka 171
171.

During a month, Morgan ran $r$ miles at 5 miles per hour and biked $b$ miles at 10 miles per hour. She ran and biked a total of 200 miles that month, and she biked for twice as many hours as she ran. What is the total number of miles that Morgan biked during the month?

Otázka 172
172.

$x + 3 = -2y + 5$
$x - 3 = 2y + 7$

The solution to the given system of equations is $(x, y)$. What is the value of $2x$?

Otázka 173
173.

$8x = 88$

What value of $x$ is the solution to the given equation?

Otázka 174
174.

The combined original price for a mirror and a vase is $60. After a 25% discount to the mirror and a 45% discount to the vase are applied, the combined sale price for the two items is $39. Which system of equations gives the original price $m$, in dollars, of the mirror and the original price $v$, in dollars, of the vase?

The graph shown models the number of candy bars a certain machine wraps with a label in $x$ seconds.

1
Otázka 175
175.

According to the graph, what is the estimated number of candy bars the machine wraps with a label per second?

Otázka 176
176.

$h(x) = x + b$

For the linear function $h$, $b$ is a constant and $h(0) = 45$. What is the value of $b$?

Otázka 177
177.

$4x + 5y = 100$
$5x + 4y = 62$

If the system of equations above has solution $(x, y)$, what is the value of $x + y$?

Otázka 178
178.

$2a + 8b = 198$
$2a + 4b = 98$

The solution to the given system of equations is $(a, b)$. What is the value of $b$?

Otázka 179
179.

The graph of the function $f$ is shown, where $y = f(x)$. What is the y-intercept of the graph?

Otázka 180
180.

The table shows three values of $x$ and their corresponding values of $y$. Which equation represents the linear relationship between $x$ and $y$?

Otázka 181
181.

The table shows four values of $x$ and their corresponding values of $y$. There is a linear relationship between $x$ and $y$. Which of the following equations represents this relationship?

$x$

$y$

$-6$

$65$

$-3$

$56$

$3$

$38$

$6$

$29$

Otázka 182
182.

A number $x$ is at most 2 less than 3 times the value of $y$. If the value of $y$ is $-4$, what is the greatest possible value of $x$?

Otázka 183
183.

Caleb used juice to make popsicles. The function $f(x) = -5x + 30$ approximates the volume, in fluid ounces, of juice Caleb had remaining after making $x$ popsicles. Which statement is the best interpretation of the y-intercept of the graph of $y = f(x)$ in the xy-plane in this context?

Otázka 184
184.

At a state fair, attendees can win tokens that are worth a different number of points depending on the shape. One attendee won $S$ square tokens and $C$ circle tokens worth a total of 1,120 points. The equation $80S + 90C = 1{,}120$ represents this situation. How many more points is a circle token worth than a square token?

Otázka 185
185.

According to data provided by the US Department of Energy, the average price per gallon of regular gasoline in the United States from September 1, 2014, to December 1, 2014, is modeled by the function $F$ defined below, where $F(x)$ is the average price per gallon $x$ months after September 1.

$F(x) = 2.74 - 0.19(x - 3)$

The constant 2.74 in this function estimates which of the following?

Otázka 186
186.

In the xy-plane, the graph of $y = x + 3$ intersects the graph of $y = 2x - 6$ at the point $(a, b)$. What is the value of $a$?

Otázka 187
187.

In the $xy$-plane, the graph of the linear function $f$ contains the points $(0, 2)$ and $(8, 34)$. Which equation defines $f$, where $y = f(x)$?

Otázka 188
188.

The table shows the linear relationship between the number of cars, $c$, on a commuter train and the maximum number of passengers and crew, $p$, that the train can carry.

Table of number of cars and maximum number of passengers and crew: (3,174), (5,284), (10,559)

Which equation represents the linear relationship between $c$ and $p$?

Otázka 189
189.

The y-intercept of the graph of $12x + 2y = 18$ in the $xy$-plane is $(0, y)$. What is the value of $y$?

Otázka 190
190.

Line j is shown in the xy-plane. Line k (not shown) is parallel to line j. What is the slope of line k?

Otázka 191
191.

In the xy-plane, line $\ell$ passes through the point $(0, 0)$ and is parallel to the line represented by the equation $y = 8x + 2$. If line $\ell$ also passes through the point $(3, d)$, what is the value of $d$?

Otázka 192
192.

The function $f$ is defined by the equation $f(x) = x + \frac{8}{11}$. What is the value of $f(x)$ when $x = \frac{3}{11}$?

Otázka 193
193.

Brian saves $\dfrac{2}{5}$ of the $215 he earns each week from his job. If Brian continues to save at this rate, how much money, in dollars, will Brian save in 9 weeks?

Otázka 194
194.

What is the slope of the graph of $y = \frac{1}{3}(29x + 10) + 5x$ in the $xy$-plane?

Otázka 195
195.

ID: d1f50dbe

One gallon of stain will cover 170 square feet of a surface. A yard has a total fence area of $w$ square feet. Which equation represents the total amount of stain $S$, in gallons, needed to stain the fence in this yard twice?

Otázka 196
196.

For the linear function $h$, the graph of $y = h(x)$ in the $xy$-plane passes through the points $(7, 21)$ and $(9, 25)$. Which equation defines $h$?

Otázka 197
197.

$f(x) = 8x + 4$

The function $f$ gives the estimated height, in feet, of a willow tree $x$ years after its height was first measured. Which statement is the best interpretation of $4$ in this context?

Otázka 198
198.

Tom scored 85, 78, and 98 on his first three exams in history class. Solving which inequality gives the score, $G$, on Tom’s fourth exam that will result in a mean score on all four exams of at least 90?

Otázka 199
199.

ID: e1248a5c

In the system of equations below, $a$ and $c$ are constants.

System of equations: one half x plus one third y equals one sixth; a x plus y equals c.

If the system of equations has an infinite number of solutions $(x,y)$, what is the value of $a$?

Otázka 200
200.

Sean rents a tent at a cost of $11 per day plus a onetime insurance fee of $10. Which equation represents the total cost $c$, in dollars, to rent the tent with insurance for $d$ days?

Otázka 201
201.

In the $xy$-plane, line $p$ has a slope of $-\frac{5}{3}$ and an x-intercept of $(-6, 0)$. What is the y-coordinate of the y-intercept of line $p$?