2018 STAAR Algebra 1

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1

At a restaurant jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from 1 of the boxes.

Which function shows the relationship between y, the total number of jars of tomato sauce remaining in the pantry, and x, the number of boxes in the pantry?

A1.C.2.c

1

Which expression is equivalent to −28x2 + 35x?

A1.C.10.d

1

Which graph best represents a system of equations that has no solution?

A1.C.3.f

1

Which statement about the graph of y = 8(0.25)x is true?

A1.C.9.d

1

What is the range of y = −x2 −2x + 3

A1.C.6.a

1

Which expression is equivalent to \left(144k^2r^{14}\right)^{\frac{1}{2}} for all positive values of k and r?

A1.C.11.b

1

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground.

Which function is best represented by the graph of this situation?

A1.C.6.c

1

What value of n makes the equation 4(0.5n − 3) = n − 0.25(12 − 8n) true?

A1.C.5.a

1

In a sequence of numbers a_3=0,\ a_4=6,\ a_5=12,\ a_6=18\ and\ a_7=24 .

Based on this information, which equation can be used to find the nth term in the sequence, an?

A1.C.12.d

1

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

A1.C.3.d

1

Which expression is equivalent to x^2\ − 17x − 60?

A1.C.10.e

1

A zookeeper recorded the feeding schedule for a baby rhinoceros for 20 weeks. The table and scatterplot show the percentage of the baby rhinoceros’s body mass that was used to determine the amount of food given at each feeding as a linear function of its age in weeks.

What is the best prediction of the percentage of the baby rhinoceros’s body mass that should be used to determine the amount of food given at each feeding when it is 25 weeks old?

A1.C.4.c

1

What are the domain and range of f(x) = −37?

A1.C.2.a

1

The graph of quadratic function p is shown on the grid.

If k\left(x\right)=x^2\ and\ p\left(x)=k\left(x)+n\right)\right), what is the value of n?

Record your answer and fill in the bubbles on your answer document.

A1.C.7.c

1

Two customers went to a post office to buy postcards and large envelopes. Each postcard costs the same amount, and each large envelope costs the same amount.
The first customer paid $12 for 14 postcards and 5 large envelopes.
The second customer paid $24.80 for 10 postcards and 15 large envelopes.
What was the cost in dollars of each large envelope?

A1.C.5.c

1

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured.

Which statement best describes the y-intercept of the graph?

A1.C.3.c

1

There are 1,024 players in a tennis tournament. In each round, half the players are eliminated. Which function can be used to find the number of players remaining in the tournament at the end of x rounds?

A1.C.9.c

1

Which statement about g x( ) = x2 − 576 is true?

A1.C.7.b

1

Which graph best represents the solution set of -4x ≤ 6y-54?

A1.C.3.d

1

Given f(x)=1/3(4-x)2 , what is the value of f (16)?

Record your answer and fill in the bubbles on your answer document.

A1.C.12.b

1

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.

Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?

A1.C.3.b

1

What are the solutions to (x + 7)2 = 81?

A1.C.8.a

1

What appears to be the domain of the part of the exponential function graphed on the grid?

A1.C.9.a

1

The tables of ordered pairs represent some points on the graphs of lines q and v.

Which system of equations is represented by lines q and v?

A1.C.2.i

1

Which situation does NOT show causation?

A1.C.4.b

1

Which function is equivalent to f x( ) = −4(x + 7)2 − 6?

A1.C.6.b

1

A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found using the function y = −1.5x + 60, where x is the time in seconds the airplane has been in the air.

How many seconds did it take the paper airplane to reach the ground?
Record your answer and fill in the bubbles on your answer document.

A1.C.3.c

1

Which expression is equivalent to ((q4 )−3 )/q-15 for all values of q where the expression is defined?

A1.C.11.b

1

Which graph best represents a quadratic function that has only one zero?

A1.C.7.a

1

What is the solution set for −4x + 10 ≥ 5x + 55?

A1.C.5.b

1

Which expression is a factor of 21x2 + 13x − 20?

A1.C.10.e

1

What are the equation and slope of the line shown on the grid?

A1.C.2.g

1

In the year 1900, the total number of metric tons of copper produced in the world was 495,000. Each year since 1900, the total number of metric tons of copper produced has increased on average by about 3.25% over the amount produced the previous year.
Which function models the total number of metric tons of copper produced in the year that is x years since 1900?

A1.C.9.c

1

What is the solution to 34x + 95 = 3(14x + 9)?

Record your answer and fill in the bubbles on your answer document.

A1.C.5.a

1

The graphs of linear functions f and g are shown on the grid.

Which function is best represented by the graph of g?

A1.C.3.e

1

Which expression is equivalent to ( h2 + 9h−1)(- 4h + 3)?

A1.C.10.b

1

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches.
Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?

A1.C.2.i

1

The graph of quadratic function f is shown on the grid.

Which of these best represents the domain of f ?

A1.C.6.a

1

What is the equation in slope-intercept form of the line that passes through the point (2, −2) and is perpendicular to the line represented by y = 2/5x + 2 ?

A1.C.2.f

1

Which graph best represents f x = 2(5x)?

A1.C.9.d

1

The area of a rectangular trampoline is 112 ft2 . The length of the trampoline is 6 ft greater than the width of the trampoline. This situation can be represented by the equation w2 + 6w − 112 = 0.
What is the width of the trampoline in feet?

A1.C.8.a

1

The table shows the linear relationship between the balance of a student’s savings account and the number of weeks he has been saving.

Based on the table, what was the rate of change of the balance of the student’s savings account in dollars and cents per week? Record your answer and fill in the bubbles on your answer document.

A1.C.3.b

1

The graph of a linear function is shown on the grid

Which equation is best represented by this graph?

A1.C.2.c

1

Which expression is a factor of 9r2 − 4r + 1?

A1.C.10.e

1

The graph of 2x − 5y = 10 is shown on the grid.

Which ordered pair is in the solution set of 2x − 5y ≥ 10?

A1.C.3.d

1

Scientists are studying a bacteria sample. The function f(x) = 245(1.12)x gives the number of bacteria in the sample at the end of x days.
Which statement is the best interpretation of one of the values in this function?

A1.C.9.b

1

The daily cost of hiring a plumber, y, to work x hours on a repair project can be modeled using a linear function. The plumber charges a fixed cost of $80 plus an additional cost of $45 per hour. The plumber works a maximum of 8 hours per day.
For one day of work, what is the range of the function for this situation?

A1.C.2.a

1

The graph of g(x) = x2 was transformed to create the graph of h\left(x\right)=-\left(\frac{x}{4}\right)^2. Which of these describes the transformation from the graph of g to the graph of h?

A1.C.7.c

1

Which expression is equivalent to \frac{10q^{5w^7}}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}} for all values of q and w where the expression is defined?

A1.C.11.b

1

A graph of a quadratic function is shown on the grid.

Which coordinates best represent the vertex of the graph?

A1.C.7.a

1

What is the slope of the line that passes through the points (5, −11) and (−9, 17)?

A1.C.3.a

1

What is the x-value of the solution to this system of equations?
x = 2y − 4
7x + 5y = −66

A1.C.5.c

1

Which expression is equivalent to

A1.C.11.a

1

Which line appears to have an x-intercept of −5 and a y-intercept of 3?

A1.C.3.c

2018 STAAR Algebra 1

Which expression is equivalent to −28x2 + 35x?

Which graph best represents a system of equations that has no solution?

Which statement about the graph of y = 8(0.25)x is true?

What is the range of y = −x2 −2x + 3

Which expression is equivalent to \left(144k^2r^{14}\right)^{\frac{1}{2}} for all positive values of k and r?

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground.Which function is best represented by the graph of this situation?

What value of n makes the equation 4(0.5n − 3) = n − 0.25(12 − 8n) true?

In a sequence of numbers a_3=0,\ a_4=6,\ a_5=12,\ a_6=18\ and\ a_7=24 . Based on this information, which equation can be used to find the nth term in the sequence, an?

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

Which expression is equivalent to x^2\ − 17x − 60?

What are the domain and range of f(x) = −37?

The graph of quadratic function p is shown on the grid.If k\left(x\right)=x^2\ and\ p\left(x)=k\left(x)+n\right)\right), what is the value of n? Record your answer and fill in the bubbles on your answer document.

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured.Which statement best describes the y-intercept of the graph?

There are 1,024 players in a tennis tournament. In each round, half the players are eliminated. Which function can be used to find the number of players remaining in the tournament at the end of x rounds?

Which statement about g x( ) = x2 − 576 is true?

Which graph best represents the solution set of -4x ≤ 6y-54?

Given f(x)=1/3(4-x)2 , what is the value of f (16)?Record your answer and fill in the bubbles on your answer document.

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?

What are the solutions to (x + 7)2 = 81?

What appears to be the domain of the part of the exponential function graphed on the grid?

The tables of ordered pairs represent some points on the graphs of lines q and v.Which system of equations is represented by lines q and v?

Which situation does NOT show causation?

Which function is equivalent to f x( ) = −4(x + 7)2 − 6?

Which expression is equivalent to ((q4 )−3 )/q-15 for all values of q where the expression is defined?

Which graph best represents a quadratic function that has only one zero?

What is the solution set for −4x + 10 ≥ 5x + 55?

Which expression is a factor of 21x2 + 13x − 20?

What are the equation and slope of the line shown on the grid?

What is the solution to 34x + 95 = 3(14x + 9)?Record your answer and fill in the bubbles on your answer document.

The graphs of linear functions f and g are shown on the grid.Which function is best represented by the graph of g?

Which expression is equivalent to ( h2 + 9h−1)(- 4h + 3)?

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches. Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?

The graph of quadratic function f is shown on the grid.Which of these best represents the domain of f ?

What is the equation in slope-intercept form of the line that passes through the point (2, −2) and is perpendicular to the line represented by y = 2/5x + 2 ?

Which graph best represents f x = 2(5x)?

The area of a rectangular trampoline is 112 ft2 . The length of the trampoline is 6 ft greater than the width of the trampoline. This situation can be represented by the equation w2 + 6w − 112 = 0.What is the width of the trampoline in feet?

The graph of a linear function is shown on the gridWhich equation is best represented by this graph?

Which expression is a factor of 9r2 − 4r + 1?

The graph of 2x − 5y = 10 is shown on the grid.Which ordered pair is in the solution set of 2x − 5y ≥ 10?

Scientists are studying a bacteria sample. The function f(x) = 245(1.12)x gives the number of bacteria in the sample at the end of x days.Which statement is the best interpretation of one of the values in this function?

The graph of g(x) = x2 was transformed to create the graph of h\left(x\right)=-\left(\frac{x}{4}\right)^2. Which of these describes the transformation from the graph of g to the graph of h?

Which expression is equivalent to \frac{10q^{5w^7}}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}} for all values of q and w where the expression is defined?

A graph of a quadratic function is shown on the grid.Which coordinates best represent the vertex of the graph?

What is the slope of the line that passes through the points (5, −11) and (−9, 17)?

What is the x-value of the solution to this system of equations?x = 2y − 47x + 5y = −66

Which expression is equivalent to

Which line appears to have an x-intercept of −5 and a y-intercept of 3?

Which expression is equivalent to −28x2 + 35x?

Which graph best represents a system of equations that has no solution?

Which statement about the graph of y = 8(0.25)x is true?

What is the range of y = −x2 −2x + 3

Which expression is equivalent to \left(144k^2r^{14}\right)^{\frac{1}{2}} for all positive values of k and r?

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground.Which function is best represented by the graph of this situation?

What value of n makes the equation 4(0.5n − 3) = n − 0.25(12 − 8n) true?

In a sequence of numbers a_3=0,\ a_4=6,\ a_5=12,\ a_6=18\ and\ a_7=24 . Based on this information, which equation can be used to find the nth term in the sequence, an?

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

Which expression is equivalent to x^2\ − 17x − 60?

What are the domain and range of f(x) = −37?

The graph of quadratic function p is shown on the grid.If k\left(x\right)=x^2\ and\ p\left(x)=k\left(x)+n\right)\right), what is the value of n? Record your answer and fill in the bubbles on your answer document.

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured.Which statement best describes the y-intercept of the graph?

There are 1,024 players in a tennis tournament. In each round, half the players are eliminated. Which function can be used to find the number of players remaining in the tournament at the end of x rounds?

Which statement about g x( ) = x2 − 576 is true?

Which graph best represents the solution set of -4x ≤ 6y-54?

Given f(x)=1/3(4-x)2 , what is the value of f (16)?Record your answer and fill in the bubbles on your answer document.

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?

What are the solutions to (x + 7)2 = 81?

What appears to be the domain of the part of the exponential function graphed on the grid?

The tables of ordered pairs represent some points on the graphs of lines q and v.Which system of equations is represented by lines q and v?

Which situation does NOT show causation?

Which function is equivalent to f x( ) = −4(x + 7)2 − 6?

Which expression is equivalent to ((q4 )−3 )/q-15 for all values of q where the expression is defined?

Which graph best represents a quadratic function that has only one zero?

What is the solution set for −4x + 10 ≥ 5x + 55?

Which expression is a factor of 21x2 + 13x − 20?

What are the equation and slope of the line shown on the grid?

What is the solution to 34x + 95 = 3(14x + 9)?Record your answer and fill in the bubbles on your answer document.

The graphs of linear functions f and g are shown on the grid.Which function is best represented by the graph of g?

Which expression is equivalent to ( h2 + 9h−1)(- 4h + 3)?

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground.

Which function is best represented by the graph of this situation?

In a sequence of numbers a_3=0,\ a_4=6,\ a_5=12,\ a_6=18\ and\ a_7=24 .

Based on this information, which equation can be used to find the nth term in the sequence, an?

The graph of quadratic function p is shown on the grid.

If k\left(x\right)=x^2\ and\ p\left(x)=k\left(x)+n\right)\right), what is the value of n?

Record your answer and fill in the bubbles on your answer document.

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured.

Which statement best describes the y-intercept of the graph?

Given f(x)=1/3(4-x)2 , what is the value of f (16)?

Record your answer and fill in the bubbles on your answer document.

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.

Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?

The tables of ordered pairs represent some points on the graphs of lines q and v.

Which system of equations is represented by lines q and v?

What is the solution to 34x + 95 = 3(14x + 9)?

Record your answer and fill in the bubbles on your answer document.

The graphs of linear functions f and g are shown on the grid.

Which function is best represented by the graph of g?

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches.
Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?

The graph of quadratic function f is shown on the grid.

Which of these best represents the domain of f ?

The area of a rectangular trampoline is 112 ft2 . The length of the trampoline is 6 ft greater than the width of the trampoline. This situation can be represented by the equation w2 + 6w − 112 = 0.
What is the width of the trampoline in feet?

The graph of a linear function is shown on the grid

Which equation is best represented by this graph?

The graph of 2x − 5y = 10 is shown on the grid.

Which ordered pair is in the solution set of 2x − 5y ≥ 10?

Scientists are studying a bacteria sample. The function f(x) = 245(1.12)x gives the number of bacteria in the sample at the end of x days.
Which statement is the best interpretation of one of the values in this function?

A graph of a quadratic function is shown on the grid.

Which coordinates best represent the vertex of the graph?

What is the x-value of the solution to this system of equations?
x = 2y − 4
7x + 5y = −66

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground.

Which function is best represented by the graph of this situation?

In a sequence of numbers a_3=0,\ a_4=6,\ a_5=12,\ a_6=18\ and\ a_7=24 .

Based on this information, which equation can be used to find the nth term in the sequence, an?

The graph of quadratic function p is shown on the grid.

If k\left(x\right)=x^2\ and\ p\left(x)=k\left(x)+n\right)\right), what is the value of n?

Record your answer and fill in the bubbles on your answer document.

The water level of a river was measured each day during a two-week period. The graph models the linear relationship between the water level of the river in feet and the number of days the water level was measured.

Which statement best describes the y-intercept of the graph?

Given f(x)=1/3(4-x)2 , what is the value of f (16)?

Record your answer and fill in the bubbles on your answer document.

The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.

Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?

The tables of ordered pairs represent some points on the graphs of lines q and v.

Which system of equations is represented by lines q and v?

What is the solution to 34x + 95 = 3(14x + 9)?

Record your answer and fill in the bubbles on your answer document.

The graphs of linear functions f and g are shown on the grid.

Which function is best represented by the graph of g?

There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches.
Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?

The graph of quadratic function f is shown on the grid.

Which of these best represents the domain of f ?

The area of a rectangular trampoline is 112 ft2 . The length of the trampoline is 6 ft greater than the width of the trampoline. This situation can be represented by the equation w2 + 6w − 112 = 0.
What is the width of the trampoline in feet?

The graph of a linear function is shown on the grid

Which equation is best represented by this graph?

The graph of 2x − 5y = 10 is shown on the grid.

Which ordered pair is in the solution set of 2x − 5y ≥ 10?

Scientists are studying a bacteria sample. The function f(x) = 245(1.12)x gives the number of bacteria in the sample at the end of x days.
Which statement is the best interpretation of one of the values in this function?

A graph of a quadratic function is shown on the grid.

Which coordinates best represent the vertex of the graph?

What is the x-value of the solution to this system of equations?
x = 2y − 4
7x + 5y = −66