Quiz about 8th grade functions quiz

Question 1

What is the definition of function?

Accepted Answer

Each input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have multiple outputs

Answer

x-values and y-values

Question 2

Is this set of ordered pairs a function or not a function?

(-2, 3), (0,1), (2, -4), (3, -1), (2, 4)

Accepted Answer

Not a Function

Answer

Function

Question 3

Question 3.

Accepted Answer

Not a Function

Answer

Function

Question 4

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 5

What is the equation of this line?

Accepted Answer

y= -1/3x+1

Answer

y= 3x+1

Answer

y= -x+3

Answer

y= 1/3x-1

Question 6

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 7

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 8

Write the equation for the table given

Accepted Answer

y = 3x

Answer

y = 1/3x

Answer

y = -1/3x

Answer

y = -3x

Question 9

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

Accepted Answer

y = 10x

Answer

x = 10y

Answer

y = x + 7

Question 10

The graph of a function is shown. Which three ordered pairs represent an input value of the function with its corresponding output value

Accepted Answer

(-4, 0)

Accepted Answer

(0, -2)

Accepted Answer

(-1, 0)

Answer

(0, -1)

Answer

(0, 0)

Question 11

Why is this function linear?

Accepted Answer

This is a linear function because it have a constant rate of change.

Answer

This is a linear function because it does not have a constant rate of change

Answer

This is a linear function because it creates a curved line.

Answer

This is a linear function because it's y-intercept is (0,2)

Question 12

Is this function linear or nonlinear?

Accepted Answer

Linear function

Answer

Nonlinear function

Question 13

Which set of values is a function?

Accepted Answer

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

Answer

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

Answer

(9, 5) (5, 5) (9, 6) (8, 5)

Answer

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

Question 14

Does this table represent a function?

Accepted Answer

No

Answer

Yes

8th grade functions quiz

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics