Quiz about 8th Grade Chapter 6 Test Review

Question 1

What is the definition of function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 2

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 3

Question 3.

Accepted Answer

Not a Function

Answer

Function

Question 4

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 5

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 6

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 7

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 8

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 9

Question 9.

Accepted Answer

Not a Function

Answer

Function

Question 10

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 11

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 12

What type of function is shown?

Accepted Answer

linear

Answer

absolute value

Answer

quadratic

Answer

exponential

Question 13

What is the result after applying the function machine rule?

Accepted Answer

the output

Answer

the input

Answer

the function notation

Answer

a linear equation

Question 14

Is the table on the right a function?

Accepted Answer

No, because 4 has more than one output

Answer

No, because not every input has exactly one outout

Answer

Yes, because every input has exactly one output

Question 15

Evaluate the function rule:
y = 6(x - 6) for x = 7

Accepted Answer

y = 6

Answer

y = 36

Answer

y = 1

Answer

y = 7

Question 16

What is the independent variable of a  function?

Accepted Answer

the input

Answer

the output

Answer

the function notation

Question 17

The output is six times the input

Accepted Answer

y = 6x

Answer

Y = 3x

Answer

y = x - 6

Answer

y = 5x

Question 18

The output is one more than twice the input

Accepted Answer

y = 2x + 1

Answer

y = x + 1

Answer

y = 2x

Answer

y = x + 2

Question 19

What is the same as X

Accepted Answer

Input

Answer

Output

Answer

Range

Answer

Dependent Variable

Question 20

Write an Equation
Input : 0,1,2,3
Output : 0,4,8,12

Accepted Answer

Y = 4x

Answer

Y = x + 3

Answer

Y = 2x

Answer

What does this even mean

Question 21

Find x if y = -22
y = 5x - 7

Accepted Answer

x = -3

Answer

x = -1

Answer

x = 19

Answer

x =

Question 22

Which set of ordered pairs is a function?

Accepted Answer

{(6,-5), (7, -3), (8, -1), (9, 1)}

Answer

{(9,5), (10,5), (9,-5), (10,-5)}

Answer

{(3,4), (4,-3), (7,4), (3, 8)}

Answer

{(2, -2), (5, 9), (5, -7), (1, 4)}

Question 23

Which equation can be used to find the total cost c of any number of hats h.

Accepted Answer

y = 8x

Answer

y = -8x + 1

Answer

y = 8x - 1

Answer

y = -8x

Question 24

Which equation can be used to find the total number of hours h the instructor exercises in any number of weeks w.

Accepted Answer

h =15w

Answer

w = 15h

Answer

h = 1/15w

Answer

h = 15h +1

Question 25

Question 25.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 26

Is the function linear or nonlinear?

Accepted Answer

Nonlinear Function

Answer

Linear Function

Question 27

Question 27.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 28

What is the slope?

Accepted Answer

m= -2/3

Answer

m=3/2

Answer

m=-3

Answer

m=2

Question 29

Write in slope intercept form given the slope: m=3 and y int: -2

Accepted Answer

y=3x-2

Answer

y=2/3x

Answer

y=-2x+3

Answer

y=3x

Question 30

Question 30.

Accepted Answer

Not a Function

Answer

Function

Question 31

What is the y-intercept of the line?

Accepted Answer

(0, -1)

Answer

(0,1/2)

Answer

(0,1)

Answer

(0, -1/2)

Question 32

In the equation, y = mx + b, the letter b is the ___________.

Accepted Answer

y-intercept

Answer

x-intercept

Answer

slope

Answer

rate of change

Question 33

What is the slope of the equation?
y = -3x + 4

Accepted Answer

-3

Answer

3

Answer

4

Answer

-4

Question 34

Is the equation linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 35

Is the equation linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 36

Is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 37

Question 37.

Accepted Answer

Nonlinear Function

Answer

Linear Function

Question 38

Decreases at the quickest rate

Accepted Answer

D

Answer

F

Answer

A

Answer

C

Answer

B

Question 39

Stays at a CONSTANT rate

Accepted Answer

F

Answer

C

Answer

A

Answer

D

Answer

E

Question 40

Slowly decreases at a CONSTANT rate.

Accepted Answer

C

Answer

A

Answer

B

Answer

E

Answer

D

Question 41

Increases at an increasing rate.

Accepted Answer

E

Answer

A

Answer

F

Answer

C

Question 42

Increases at a CONSTANT rate.

Accepted Answer

B

Accepted Answer

A

Answer

D

Answer

F

Question 43

Quickly increases a a CONSTANT rate.

Accepted Answer

B

Answer

C

Answer

A

Answer

F

Question 44

Describe the situation.

Accepted Answer

The volume of the balloon increases at a constant rate, then stays constant, then increases, then constant, and increases at a constant rate.

Answer

The volume of the balloon increase at a constant rate, decreases, then stays constant, then increases, then constant, and increases at a constant rate.

Question 45

Describe the situation.

Accepted Answer

Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.

Answer

Sales stay constant, then decrease at a constant rate, and increase slowly.

Question 46

Describe the situation.

Accepted Answer

Horsepower increases at an increasing rate and then increases slowly.

Answer

Horsepower increases at a constant rate and then increases slowly.

Question 47

Describe the situation.

Accepted Answer

Grams Decrease at a decreasing rate.

Answer

Grams decrease at a constant rate.

Question 48

Describe the situation.

Accepted Answer

Hair length increases at a constant rate, then decreases instantly, then increases at a constant rate, then decreases instantly, and then increases at a constant rate.

Answer

Hair length decreases at a constant rate, then decreases instantly, then decreases, then increases instantly, and then decreases at a constant rate.

Question 49

Describe the situation.

Accepted Answer

The loan balance remains constant, then decreases instantly, then remains constant, then decreases instantly, and then remains constant.

Answer

The loan balance remains constant, then decreases instantly, then remains constant, then decreases instantly, and then increases at a constant rate.

Question 50

According to the graph how far does the person travel in the first 5 seconds?

Accepted Answer

5 m

Answer

2 m

Answer

10 m

Answer

0 m

Question 51

What is the person doing from 5 seconds to 10 seconds?

Accepted Answer

Standing Still

Answer

Walking

Answer

Running

Answer

Walking Fast

Question 52

What is happening in this graph from point B to C?

Accepted Answer

The object is slowing down.

Answer

The object is going down a hill.

Answer

The object is returning to its starting location.

Answer

The object is staying still.

Question 53

What does this graph represent?

Accepted Answer

Constant speed

Answer

Decreasing speed

Answer

Not moving

Question 54

Describe the situation.

Accepted Answer

Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.

Answer

Sales stay constant, then decrease at a constant rate, and increase slowly.

Question 55

The distance-time graphs shown represent the motion of a car. Which of the following graphs represents the car at constant speed?

Accepted Answer

graph A

Answer

graph B

Answer

graph C

Answer

graph D

Question 56

How long did it take this object to travel 10 m?

Accepted Answer

20 s

Answer

0 s

Answer

10 s

Answer

15 s

Question 57

What does this graph represent?

Accepted Answer

Not moving

Answer

Constant speed

Answer

Acceleration

Question 58

Brad is going for a jog.  Which best describes his speed at section D?

Accepted Answer

Taking a break

Answer

Jogging at a constant speed

Answer

Jogging at the highest altitude

Answer

decreasing his speed

Question 59

Question 59.

Accepted Answer

Not a Function

Answer

Function

Question 60

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 61

Question 61.

Accepted Answer

It is a function because each x has only one y.

Answer

It's not a function because an x has multiple y's.

Answer

It's not a function because a y has multiple x's.

Answer

It is a function because each y has only one x.

Question 62

Question 62.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 63

Find the missing OUTPUT value.

Accepted Answer

9

Answer

-2

Answer

3

Answer

-7

Question 64

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics