Question 1

Which equation is the parent function of the graph represented below?

  1. y = |x|
  2. y = x
  3. y = √x
  4. y = x2

Question 2

Which equation is the parent function of a linear equation?

  1. y = x2
  2. y = |x|
  3. y = x
  4. y = √x

Question 3

Which graph below best represents the quadratic parent function?

A.
C.
B.
D.

Question 4

What is the domain of the function shown on the graph below?

  1. - 4 < x < 4

  2. - 4 ≤ x ≤ 4

  3. - 8 ≤ x ≤ 8

  4. - 8 < x < 8

Question 5

What is the domain of the function shown on the graph below?

  1. - 6 ≤ x ≤ 8

  2. - 6 < x ≤ 8

  3. - 6 ≤ x < 8

  4. - 6 < x < 8

Question 6

What is the range of the function shown on the graph below?

  1. 0 ≤ y ≤ 5

  2. 0 < y < 5

  3. 0 ≤ y ≤ 9

  4. 0 < y < 9

Question 7

Which of the following are the domain and range for the graph shown below?

  1. 0 ≤ x ≤ 16
    0 < y < 8

  2. 0 ≤ x ≤ 16
    0 ≤ y ≤ 8

  3. 0 < x < 8
    0 < y < 16

  4. 0 ≤ x ≤ 8
    0 ≤ y ≤ 16

Question 8

Identify the graph that best represents the relationship between the number of minutes a person runs on a treadmill and the number of calories burned.

A.
C.
B.
D.

Which graph below best represents the quadratic parent function?

Question 9

Mark wanted to start a lawn-mowing business. He borrowed $350 from his father to buy a lawn mower. He is going to charge his customers $25 each to mow a lawn. Which graph best represents this situation?

A.
C.
B.
D.

Question 10

Amber wants to have her couch recovered. She bought the fabric but needs to hire a company to do the work. She gets two different quotes on the costs of the labor. Company A will charge her $50 an hour to recover the couch. Company B will charge her $150 for additional supplies and $31.25 an hour to recover the couch. Which graph best represents the relationship between the total cost to recover the couch and the number of hours of labor needed to do the work?

A.
C.
B.
D.

Question 11

The graph below shows the amount of money Miriam saved over a period of 12 months.

Which is a reasonable conclusion about the amount of money she saved during the 12 months?

Question 12

The graph below represents the relationship between the number of gallons of water left in a storage tank and the number of minutes the tank has been draining.

Which statement is true about the graph?

Question 13

Which best describes the relationship shown on the graph?

Question 14

Which graph best represents data with no correlation?

A.
C.
B.
D.

Question 15

Which best describes the relationship shown on the graph?

Question 16

The rental rate for a pressure washer at a home improvement store is shown in the table below.

Time
(in hours)
Rental Charge
2
$16
3
$24
4
$32
6
$48

How much would this store charge a customer to rent a pressure washer for 8 hours?

Question 17

Allison kept a record of the miles she walked and the time it took her. The data is shown in the table below.

Miles
Minutes
1.5
24
2
32
3.5
56
4
64

Based on this data, predict the amount of time it would take her to walk 5 miles.

Question 19

Andrew owns a beach umbrella and chair rental company that operates on a local beach. He made a table to help his employees know how much to charge customers for a large umbrella and two lounge chairs based on the time the equipment is rented. The table he created is shown below.

Time
(in hours)
Cost
1
$10.50
2
$15.00
3
$19.50
4
$24.00

How much should an employee charge a customer for an 8-hour rental?

Question 21

A bottled water company conducted a survey to see if there was a relationship between the temperature and water consumption. They determined the equation for the line of best fit for this comparison was y = 1.4x − 90 where x represented the temperature and y represented the ounces of water consumed. Using this equation, what would be the best prediction for the amount of water consumed when the temperature was 100 °F?

Question 22

A 4th-grade class planted 3 sunflower plants and then tracked the height of the plants each day after sprouting. The data is shown in the table below.

Days
(after sprouting)
Height
(in cm)
1
3
1
3
1
4
2
6
2
7
2
7
3
10
3
10.5
3
10.5
4
13
4
14
4
14
5
16
5
17
5
17.5
6
20
6
21.5
6
22

What is the best equation for the line of best fit for the data?

  1. y = 2x − 0.22

  2. y = 3.5x − 0.3

  3. y = 4.5x − 0.35

  4. y = 3x + 5

Question 23

The equation for the line of best fit comparing age in years and yearly income is y = 1515x − 16909 where x represented the age of the person in years and y represented the yearly income. Using this equation, what would be the best prediction for the income of a 45 year old person?

Question 24

A used car lot looked at the average value of a car compared to the age of the car. The data is shown in the table below.

Age
(in years)
Value
0
$32,000
1
$28,800
3
$26,750
5
$24,000
6
$21,500
7
$19,550

What is the best equation for the line of best fit for the data?

Question 25

A company wanted to determine the average weekly pay for the employees based on the number of hours worked in a week. They determined the equation for the line of best fit for this comparison was y - 27.8x − 28 where x represents the hours worked in a week and y represents the income for the week. Using this equation, what would be the best prediction for the number of hours an employee needs to work to earn at least $945?