Quiz about Unit 5: Proportional & Non-Proportional Functions

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

Does this graph represent a proportional relationship?

Accepted Answer

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

Answer

Yes, because it is linear (striaght).

Answer

Yes, because it intersects the y axis.

Answer

No, because it intersects the x axis.

Question 3

Is this table proportional or non-proportional?

Accepted Answer

Proportional because the y to x ratio is a constant of proportionality.

Answer

Non-Proportional because the y to x ratio is not a constant of proportionality.

Answer

Proportional because the x to y ratio is a constant of proportionality.

Answer

Non-Proportional because the x to y ratio is not a constant of proportionality.

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

Is the following equation a proportional relationship?
y = 4x + 0

Accepted Answer

Yes

Answer

No

Question 8

Is the following equation a proportional relationship?
y = x

Accepted Answer

Yes

Answer

No

Question 9

Is this table proportional?

Accepted Answer

No

Answer

Yes

Question 10

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

Accepted Answer

Non-Proportional

Answer

Proportional

Question 11

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 12

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 13

Question 13.

Accepted Answer

Not a Function

Answer

Function

Question 14

Question 14.

Accepted Answer

Not a Function

Answer

Function

Question 15

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 16

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 17

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

Accepted Answer

Function

Answer

Not a Function

Question 18

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 19

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 20

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 21

Is this mapping a function and how can you tell?

Accepted Answer

No it's not a function because the x value 5 has y values of  2 & 9

Answer

Yes its a function cause all the numbers have lines

Answer

No it's not a function because there a 5 in both ovals

Answer

No it's not a function because the y value 5 has x values of  2 & 9

Question 22

Which of the following guarantees a table will not be a function?

Accepted Answer

An x value repeats and has different y values.

Answer

A y value repeats and has different x values.

Question 23

Which of the following guarantees a set of ordered pairs will not be a function?

Accepted Answer

An x value repeats & has different y values.

Answer

A y value repeats & has different x values.

Question 24

What type of slope does the graph have?

Accepted Answer

Undefined

Answer

Positive

Answer

Negative

Answer

Zero Slope

Question 25

What type of slope does the graph have?

Accepted Answer

Zero

Answer

Undefined

Answer

Negative

Answer

Positive

Question 26

What type of slope does the following graph have?

Accepted Answer

Negative

Answer

Postive

Answer

Zero Slope

Answer

Undefined

Question 27

In the equation y=mx+b, what does the m represent?

Accepted Answer

slope

Answer

y-intercept

Answer

linear

Answer

point-slope

Question 28

Find the slope of the line that passes through (10, -8) and (1, 12).

Accepted Answer

-20/9

Answer

20/9

Answer

4/9

Answer

9/4

Question 29

What does 'b" represent in y=mx=b

Accepted Answer

y-intercept

Answer

macaroni

Answer

nothing

Answer

slope

Question 30

Find the slope

Accepted Answer

7/5

Answer

-5/7

Answer

-7/5

Answer

5/7

Question 31

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 32

What is the equation of this line?

Accepted Answer

y = -x + 2

Answer

y = 2x +2

Answer

y = 2x -2

Answer

Cannot be Determined

Question 33

What is the slope in the picture?

Accepted Answer

Positive

Answer

Negative

Answer

Zero

Answer

Undefined

Question 34

What is the slope in the picture?

Accepted Answer

Negative

Answer

Positive

Answer

Zero

Answer

Undefined

Question 35

What is the slope in the picture?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Undefined

Question 36

What is the slope in this picture?

Accepted Answer

Undefined

Answer

Positive

Answer

Negative

Answer

Zero

Question 37

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

Accepted Answer

(-3,-8)

Answer

(-8,-3)

Answer

(3,-8)

Answer

(8,3)

Question 38

How many solutions does this system of equations have?

Accepted Answer

Infinitely Many Solutions

Answer

One Solution

Answer

No solution

Answer

Two Solutions

Question 39

Question 39.

Accepted Answer

No Solution

Answer

Infinitely Many Solutions

Question 40

Write y+8=4x in slope intercept form.

Accepted Answer

y=4x-8

Answer

y=4x+8

Answer

y=-8-4x

Answer

y=-4x+8

Question 41

Identify the slope and y-intercept of:
y = 1/5x + 5

Accepted Answer

slope: 1/5   y-intercept:  5

Answer

slope: 1/6   y-intercept:  4

Answer

slope: 5/1   y-intercept:  5

Answer

slope: 1   y-intercept:  5

Question 42

Write in slope intercept form
5x - 3y = -9

Accepted Answer

y = (5/3)x + 3

Answer

y = (5/3)x - 3

Answer

y = (5/3)x + 9

Answer

y = (3/5)x + 3

Unit 5: Proportional & Non-Proportional Functions

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