Quiz about 8th Grade Unit Test Review

Question 1

Average Rate of Change is also known as...

Accepted Answer

slope

Answer

y-intercept

Answer

x-intercept

Answer

linear

Question 2

Find the rate of change

Accepted Answer

2

Answer

1

Answer

11

Answer

Not a constant slope/Non-Linear

Question 3

Find the rate of change

Accepted Answer

2

Answer

1

Answer

11

Answer

Not a constant slope/Non-Linear

Question 4

Calculate the rate of change.

Accepted Answer

6

Answer

1/6

Answer

-6

Answer

-1/6

Question 5

What is the rate of change for the following graph?

Accepted Answer

40

Answer

80

Answer

20

Answer

160

Question 6

Which statement describes the rate of change of the line?

Accepted Answer

$20 each week

Answer

$30 each week

Answer

$25 each week

Answer

$70 each week

Question 7

What is the rate of change in the following function:

$$f\left(x\right)=4x-5$$

Accepted Answer

4

Answer

4x

Answer

5

Answer

-5

Question 8

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Question 9

Who has the greater rate of change?

Accepted Answer

Harmon has the greater rate of change.

Answer

Smith has the greater rate of change.

Answer

Macey has the greater rate of change.

Answer

They have the same rate of change

Question 10

What do you use to solve for slope triangles?

Accepted Answer

$$\frac{rise}{run}$$

Answer

$$\frac{run\ }{rise}$$

Question 11

Which of the following is a true statement

about the triangles shown on the graph?

Accepted Answer

The slopes of the two

triangles are the same.

Answer

The slope of the smaller triangle is smaller

than the slope of the larger triangle.

Answer

The slope of the larger triangle is larger

than the slope of the smaller triangle.

Answer

The triangles are

congruent triangles.

Question 12

Catherine used the two points and the right

triangle shown to find the slope of the line.

Catherine found the slope to be 1/10. Is she

correct?

Accepted Answer

No, the slope is 10.

Answer

Yes, the slope is 1/10.

Answer

No, the slope is 1.

Question 13

Explain whether or not the triangles shown

could lie on the same line.

Accepted Answer

Yes, the slope for both triangles simplifies to 6.

Answer

Yes, the slope for both triangles simplifies to 1/6.

Answer

No, the slope for both triangles are not the same.

Question 14

Which of the following is a true statement about the triangles on the graph?

Accepted Answer

The slopes of the two triangles are the same.

Answer

The slope of the smaller triangle is smaller than the slope of the larger triangle.

Answer

The slope of the larger triangle is larger than the slope of the smaller triangle.

Answer

The triangles are congruent triangles.

Question 15

Identify the m and b in the following equation:

y = 2x + 5

Accepted Answer

m = 2b = 5

Answer

m = 5b = 2

Answer

m = yb = x

Question 16

What is the slope?

Accepted Answer

1/2

Answer

2

Answer

1

Answer

1.5

Question 17

What is the y-intercept (initial value)?

Accepted Answer

(0,6)

Answer

(0,2)

Answer

(6,0)

Answer

(2,0)

Question 18

What is the initial value (b)?

Accepted Answer

-1

Answer

1

Answer

-3

Answer

3

Question 19

What is the y-intercept (b) of the graph?

Accepted Answer

(0,1)

Answer

(0,-1)

Answer

(-1,0)

Answer

(1,0)

Question 20

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which number represents the rate of change (m)?

Accepted Answer

15

Answer

80

Question 21

Function A is represented by the table. Function B is represented by the equation y = 3x - 4. Which function has the greatest rate of change?

Accepted Answer

Function B because it has a rate of change of 3 and Function A has a rate of change of 2.

Answer

Function A because it has a rate of change of 1/2 and Function B has a rate of change of 1/3.

Answer

Function B because it has a rate of change of -4 and Function A has a rate of change of -10.

Answer

Function A because it has a rate of change of 10/7 and Function B has a rate of change of 3.

Question 22

Function A is represented by the equation. Function B is represented by the graph. What is the rate of change of Function A?

Accepted Answer

2/3

Answer

5

Answer

3/2

Answer

0, 5

Question 23

Which function has the greater rate of change?

Accepted Answer

Function A because 4 is greater than 2.

Answer

Function A because 4/3 is greater than 2.

Answer

Function B because 1/2 is greater than 1/4.

Answer

Neither. They both have a rate of change equal to 4.

Question 24

Derrick started a new job at McDonald's. He makes $10 per hour. Which function models his total weekly earnings (W) in terms of the number of hours he works (t)?

Accepted Answer

$$W\left(t\right)=10t$$

Answer

$$W\left(t\right)=10+t$$

Answer

$$t\left(W\right)=10+t$$

Answer

$$t\left(W\right)=10W$$

Question 25

Derrick started a new job at McDonald's. He makes $10 per hour. What is the independent variable?

Accepted Answer

number of hours

Answer

amount paid

Question 26

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which equation models the amount she charges over time?

Accepted Answer

$$y=30x+20$$

Answer

$$y=50x$$

Answer

$$y=20x+30$$

Answer

$$20x+30y$$

Question 27

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which table models the amount she charges over time?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 28

Which function has the greatest rate of change?

Accepted Answer

$$y=3x$$

Answer

$$y=50+2x$$

Answer

$$y=75+x$$

Answer

$$y=6-5x$$

Question 29

Which shows the list of ordered pairs?

Accepted Answer

(1, 4) (2, 7) (3, 10)

Answer

(4, 1) (7, 2) (10, 3)

Answer

(1, 4) (1, 7) (1, 10)

Answer

(1, 2) (3, 4) (7, 10)

Question 30

Which table corresponds to the equation?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 31

Does the table represent a proportional relationship?

Accepted Answer

Yes.

Answer

No.

Question 32

Does the graph represent a proportional relationship?

Accepted Answer

yes

Answer

no

Question 33

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 34

Writing the equation

You have $18 to spend on Uber Eats credits and hats for Among us. Uber Eats credits are $1 each and hats for Among Us cost $2 each.

Let x = # of Uber Eats credits

Ley y = # of hats for Among Us

What equation should you use for this word problem?

Accepted Answer

x+2y=18

Answer

y+18x=2

Answer

2x+y=18

Answer

18x+y=2

Question 35

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

Accepted Answer

y = 1/4x -1

Answer

y = 1/3x - 1

Answer

y = -1/3x +1

Answer

y = -1/4x + 1

Question 36

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

Accepted Answer

y = -3x - 3

Answer

y = 3x - 3

Answer

y = 3x - 1

Answer

y = -3x - 1

Question 37

What is the correct equation?

Accepted Answer

x = 5

Answer

y = 5

Answer

x = - 5

Answer

y = -5

Question 38

Bob has $150 in his savings account and saves $40 per month.

Accepted Answer

y=40x + 150

Answer

y=150 + 40

Answer

y=150x + 40

Question 39

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-intercept form that models this situation.

Accepted Answer

y = 5x +20

Answer

y = 20x + 5

Question 40

What makes a graph proportional?

Accepted Answer

Linear and the line goes through the origin

Answer

Linear

Answer

The line goes through the origin

Answer

Curvy line

Question 41

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

Because it is proportional

Answer

It goes through the origin

Answer

It is a straight line

Question 42

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 43

Which statement matches the graph?

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 44

Is the function linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 45

Does the table represent a linear relationship between x and y?

Accepted Answer

Yes, the rate of change is 2.

Answer

No, the rate of change is not constant.

Answer

Yes the rate of change is 1.

Answer

No, the table does not represent a relationship/

Question 46

Which table represents a nonlinear relationship?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 47

Is the graph pictured a linear or nonlinear function?

Accepted Answer

Nonlinear

Answer

Linear

Question 48

FUNCTION or NOT A FUNCTION?

Accepted Answer

function

Answer

not a function

Question 49

Which of the following is a function?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 50

Two linear functions are shown below. Which function has the greater rate of change?

Accepted Answer

Function B

Answer

Function A

Question 51

Which of the following has a rate of change of 3?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 52

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Answer

They are equal

Question 53

Solve the equation for y.
2x + 3y = 4

Accepted Answer

y = (4-2x)/3

Answer

y = (2x-4)/3

Answer

x  = (4-3y)/2

Answer

y = (4-2x)/ -3

Question 54

Solve for y:
5x - y = 16

Accepted Answer

y = 5x - 16

Answer

-y = 5x + 16

Answer

y = 5x + 16

Answer

x = 5y - 16

Question 55

Solve:
12x - 4y = 20 , for y

Accepted Answer

y = 3x - 5

Answer

y = -3x + 5

Answer

y = -3x - 5

Answer

y = 3x + 5

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