Quiz about Proportional, Linear, Functions

Question 1

Jackson wants to buy a new video game console. He has saved $50 and earns $20 per lawn that he mows. Which of the following can be used to determine the number of lawns Jackson needs to mow, m, in order to buy the video game console, which costs v, dollars?

Accepted Answer

$$v=20m+50$$

Answer

$$v=50m+20$$

Answer

$$m=\frac{2}{5}v+50$$

Answer

$$m=\frac{5}{2}v+50$$

Question 2

Does this graph represent a proportional relationship?

Accepted Answer

No, because it doesn't pass through the origin.

Answer

Yes, because it doesn't pass through the origin.

Answer

Yes, because it intersects the y axis.

Answer

No, because it intersects the x axis.

Question 3

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 4

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 5

Is the graph proportional or non-proportional?

Accepted Answer

Proportional

Answer

Non-Proportional

Question 6

Which relationship is an example of a proportional function?

Accepted Answer

Beverly earns $210 a week at her job.

Answer

a rental company charges $80 per day and a one-time fee of $24

Answer

a taxi ride costs $2 for the first mile and $4 for each additional mile

Answer

a gym membership cost $30 per month and an additional annual registration fee of $75

Question 7

Which table shows a proportional relationship?

Hint-- $$\frac{y}{x}$$

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 8

Based on the table, how much money is being earned each day?

Accepted Answer

$16

Answer

$8

Answer

$24

Answer

$2

Question 9

Which statement best describes the relationship between x (dogs) and y(paws) in the table?

Accepted Answer

Proportional

Answer

Not Proportional

Question 10

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

y=9.75x

Answer

y=19x

Answer

y=9.5x

Question 11

The cost of popcorn is $2.50 for each bag.

Accepted Answer

Proportional

Answer

Nonproportional

Question 12

Which best describes the equation?
y = 75x

Accepted Answer

Proportional

Answer

Nonproportional

Question 13

Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day.

Accepted Answer

Non-Proportional

Answer

Proportional

Question 14

Shawn makes $7.50 an hour to babysit for her next door neighbors.  Describe the graph of this relationship.

Accepted Answer

Proportional

Answer

Non-proportional

Question 15

What makes a graph proportional?

Accepted Answer

It is linear and goes through the point (0,0). The ratio between y and x values is constant.

Answer

It is linear and goes through the point (0,4).

Answer

It is a curvy line.

Answer

It is nonlinear and the line goes through the origin.

Question 16

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 17

Which graph is non-proportional?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 18

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 19

What are the main characteristics of a proportional relationship between two variables when represented by a graph?

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 20

Does the graph show a proportional relationship?

Accepted Answer

Yes

Answer

No

Question 21

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 22

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 23

Does the table show a proportional relationship?

$$\frac{y}{x}$$

Accepted Answer

Yes

Answer

No

Question 24

Is this table proportional?

$$\frac{y}{x}$$

Accepted Answer

no

Answer

yes

Question 25

Which line shows a proportional relationship between x and y?

Accepted Answer

Line L

Answer

Line M

Question 26

Is this function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 27

Is the graph pictured a linear or nonlinear function?

Accepted Answer

Nonlinear

Answer

Linear

Question 28

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 29

Is this table a function and how can you tell?

Accepted Answer

No it's not a function because the x value 5 has y values of  10 & 12

Answer

Yes its a function because there are not variables for missing numbers

Answer

No it's not a function because the y value 4 repeated

Answer

No it isn't a function because the x value 2 is repeated with the same y-values

Question 30

Is the graph pictured a linear function?

Accepted Answer

No

Answer

Yes

Question 31

Is this function linear or nonlinear?

Accepted Answer

Nonlinear function

Answer

Linear function

Question 32

Which graph is linear?

Accepted Answer

Graph D

Answer

Graph A

Answer

Graph B

Answer

Graph C

Question 33

Which graph(s) show nonlinear functions?

Accepted Answer

Graph I and Graph II, only.

Answer

Graph I, only

Answer

Graph II, only

Answer

Graph I, Graph II, and Graph III

Question 34

Is this function represented by the graph Linear or Nonlinear

Accepted Answer

nonlinear

Answer

linear

Question 35

Is the function represented by the graph linear or nonlinear

Accepted Answer

linear

Answer

nonlinear

Question 36

Is the function represented by this graph linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 37

Is this relation a function?

Accepted Answer

No, it is not a function.

Answer

Yes, it is a function.

Question 38

Which statement best describes this graph?

Accepted Answer

Not a function

Answer

Linear function

Answer

Nonlinear function

Question 39

Which answer choice is true?

Accepted Answer

The table represents a nonlinear function because the ratio of the change in the y value and the change in the x value is not constant.

Answer

The table represents a linear function because there is a pattern for the x-coordinates and y-coordinates.

Answer

The table represents a linear function because the ratio of the change in the y value and the change in the x value is constant.

Answer

The table does not represent a function because there is more than one output for at least one input.

Question 40

Is this function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 41

Is the function Linear or Nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 42

Is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 43

The first number in an ordered pair is...

Accepted Answer

the x-coordinate.

Answer

the larger number.

Answer

the origin.

Answer

the y-coordinate.

Question 44

The point where the two axes intersect in known as...

Accepted Answer

the origin.

Answer

the center.

Answer

the relation.

Answer

the intersection.

Question 45

Which relation is NOT a function?

Accepted Answer

{(1,-5), (-1,6), (1,5), (6,-3)}

Answer

{(1,-5), (3,1), (-5,4), (4,-2)}

Answer

{(2,7), (3,7), (4,7), (5,8)}

Answer

{(3,-2), (5,-6), (7,7), (8,8)}

Question 46

Which of the following is not a function?

Accepted Answer

{(0,2), (1,3), (4,3), (1,2)}

Answer

{(0,1), (1,2), (2,3), (3,4)}

Answer

{(1,3), (4,2), (2,0), (3,4)}

Answer

{(1,2), (2,2), (3,2), (4,2)}

Question 47

Is this a function?

Accepted Answer

Yes

Answer

No

Question 48

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 49

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 50

The start up cost to join eTunes music is $7.95 plus $0.95 per song downloaded.  Write a linear equation that could be used to find how many songs he downloaded.

Accepted Answer

y = 0.95x + 7.95

Answer

y = 7.95x + 0.95

Answer

y = 0.95x - 7.95

Answer

y = - 0.95x + 7.95

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