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2021 fall Precalc

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Last updated over 4 years ago
40 questions
Note from the author:
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Basic Fall Precalculus (COVID HOLES)
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Question 32
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Question 33
33.

Question 34
34.

Question 35
35.

Question 36
36.

Question 37
37.

Write the polynomial in factored form. Check by multiplication.

Question 38
38.

Evaluate the expression for the given values of the variables. Enter only a number.
x = 1 and y = -2

Question 39
39.

Question 40
40.

What is the solution set of the equation
The fuctions f(x), g(x) and h(x) are shown. Which statement is accurate?
f(x) and g(x) are even, h(x) is odd
f(x) is odd, g(x) is neither, h(x) is even
f(x) is even, g(x) is neither, h(x) is odd
f(x) and g(x) are odd, h(x) is even
The expression
Wht is the solution to
What is the completely factored form of
Mrs. Nelson is buying folding chairs that are on sale for $10. If she has $50, which inequality can be solved to show the number of chairs c she can buy?
Find the union and intersection of the pair of sets. M = {1,6, 8} ; N = {3, 6, 8, 14, 15}


What are the x and y intercept
x intercept -10; y intercept 5
x intercept 5; y intercept 10
x intercept 10; y intercept -5
x intercept 10; y intercept 5
Multiply (x + 7)(x - 7)
Factor
Prime - cannot be factored
Factor completely
x(y - 1) + y(y - 1)
(x + y)(y - 1)
(x - 1)(y - 1)
(x - y)(y - 1)
Cannot be factored
Which of the following graphs shows the graph of this equation? y + 1 = (x - 1)
The city of Plantation plans to build a new community park with a public swimming pool. In this diagram we see the area of the proposed swimming pool and the stone deck that will surround it. If the area of the deck region is 24 square units, find the value for x
x = 2 units
x = 3 units
x = 4 units
x = 5 units
A family is on vacation in Key West and decides to rent bicycles to tour the island. The rental fee for a bike and helment is $27.00 per person for each hour. There are four people in the family renting bicycles. Which input/output (I/O) model correctly displays the domain and range of the situation where c, the total cost for the bicycle rental is a function of h, the number of hours the bikes are rented?
Model 1
Model 2
Model 3
Model 4
Divde and simplify your answer
John is considering accepting one of two sales positions. ABC company offers a yearly salary of $45,000. XYZ company offers a yearly salary of $38,000 plus a 2% annual commission on sales. For what amount of sales s is the salary at XYZ company greater than the salary at ABC company?
s > 7,000
s > 35,000
s > 70,000
s > 350,000
The values in the table show a linear relationship. Find the slope.
2
-2


Add
The table compares the gas mileage of a car to the distance the car can travel on one tank of gas. A scatter plot of the data is also shown. For this line of best fit, predict what the gas mileage must be for a car to travel 250 miles.
15 mi/gal
17 mi/gal
19 mi/gal
20 mi/gal
What are the missing exponents in the equation below? Give the missing exponent on the left side first.
7;14
3;10
3;21
7;21
Multiply
Employees at the dairy factory are packing cartons of eggs. One carton can hold x eggs. Today the employees have E eggs to pack. When they have finished, they have packed C cartons and have 3 eggs left over. Use the following equation to find C, the number of cartons that were packed.
Detrermine which of the following graphs represent a function.
None of the graphs are functions
All of the graphs are functions
Graph A and B are functions
Graph B and C are functions
Simplify the expression
Simplify the following expression; if a and b do not equal 0
Circle J is located in the first quadrant with center (a, b) and radius s. Felipe transforms Circle J to prove that it is similar to any circle centered at the origin with radius t.
Translate Circle J by (x + a, y + b) and dialate by a factor of (t/s)
Translate Circle J by (x + a, y + b) and dialate by a factor of (s/t)
Translate Circle J by (x - a, y - b) and dialate by a factor of (t/s)
Translate Circle J by (x - a, y - b) and dialate by a factor of (s/t)
Pick any option that is true
a reflection across the line y = -2x
a reflection across the line y = x
a rotation of 180 degrees clockwise about the origin
a rotation of 270 degrees counterclockwise about the origin, and then a reflection across the x axis
a reflection across the x axis, and then a reflection across the y axis
A homeowner stocked his pond with fish. The number of fish, F, increases according to the equation,
t is the time in years. What is the approximate number of fish after 10 years?
49 fish
69 fish
138 fish
291 fish
How many x-intercepts does the graph of
0
1
2
4
What is the solution to
{6}
{-3}
{3, 6}
{-3, -6}
What is the value for a + b - 2c for a = 3, b = 1, and c = -3.
6
2
10
-2
Substitute -3 for x in each of the equations. Identify the value of y in each case.
y = -10
y = 8
y = -3
y = -8
Classify each equation based on its form.
x + 5y = -3
y - 2 = 5(x - 3)
y = 2x + 10
slope-intercept form
point-slope form
standard form
Write the equation in standard form.
Use the vertical line test to determine whether each graph represents a function. Categorize each graph appropriately.
Is a function (passes the vertical line test)
Is not a function (fails the vertical line test)
Identify which is NOT a cubic expression.
Use Your Vocabulary: Identify the coefficent of each cubic term.
-3
2
1
-2
-5
6