Quiz about Proportion and Function Review

Question 1

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

It doesn't, it is proportional because it is a straight line

Answer

It goes through the origin

Answer

It is a straight line

Question 2

Is the graph proportional or non proportional?

Accepted Answer

Proportional

Answer

Non-Proportional

Question 3

Which graph is non-proportional?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 4

Is the graph proportional or non proportional?

Accepted Answer

Proportional because it is a straight line and passes through the origin (0,0).

Answer

Non-Proportional because it doesn't pass through the origin (0,0).

Question 5

Which statement best describes the relationship of x and y in the table?

Accepted Answer

Proportional

Answer

Not Proportional

Question 6

What are the main characteristics of a proportional relationship between two variables?

Accepted Answer

They are linear (straight line) and also pass through the origin.

Answer

They pass through the origin.

Answer

They are curved

Answer

The x to y ratio is a constant of proportionality.

Question 7

Does the graph show a proportional relationship?

Accepted Answer

Yes

Answer

No

Question 8

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 9

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 10

What makes a graph proportional?

Accepted Answer

The line goes through the origin

Answer

Linear

Answer

Curvy line

Answer

Linear and the line goes through the origin

Question 11

Does the table show a proportional relationship?

Accepted Answer

Yes

Answer

No

Question 12

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 13

Does this mapping diagram represent a function?

Accepted Answer

Yes, because each input goes to one and only one output

Answer

No, because an input value goes to multiple output values

Question 14

What is the definition of a 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 15

Question 15.

Accepted Answer

Yes

Answer

No

Question 16

Question 16.

Accepted Answer

No

Answer

Yes

Question 17

Is this a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 18

Question 18.

Accepted Answer

Yes

Answer

No

Question 19

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 20

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 21

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 22

Question 22.

Accepted Answer

Not a Function

Answer

Function

Question 23

How do you use the vertical line test?

Accepted Answer

Draw vertical lines through your graph. If any of the vertical lines you draw intersects the graph more than once then the graph is not the graph of a function.

Answer

Draw vertical lines through your graph. If any of the vertical lines you draw intersects the graph more than once, then it is a function.

Question 24

Is this mapping a function or not a function?

Accepted Answer

Not a Function; the x's repeat

Answer

Function; the x's don't repeat

Question 25

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 26

Which of these sets is not a function?

Accepted Answer

{ (2,3) , (2,5) , (4, 9) }

Answer

{ (2,3) , (3,5) , (4,9) }

Answer

{ (2,3) , (3,3) , (4,9) }

Question 27

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

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