Quiz about Unit 4 Review - Proportional vs. Non-Proportional Relationships

Question 1

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 2

Is the graph proportional or non-proportional?

Accepted Answer

Non-Proportional

Answer

Proportional

Question 3

Which best describes the graph represented in this table?

Accepted Answer

proportional

Answer

non-proportional

Question 4

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 5

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 6

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

Because it is proportional

Answer

It goes through the origin

Answer

It is a straight line

Question 7

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 8

Is the graph proportional or non proportional?

Accepted Answer

proportional

Answer

non proportional

Question 9

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 10

Does this graph represent a proportional relationship?

Accepted Answer

Yes because the line goes through the origin.

Answer

Yes, because the line is pretty.

Answer

No, because the line goes through the origin.

Answer

No, because the graph is non-proportional.

Question 11

Which graph is non-proportional?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 12

REVIEW QUESTION
Is this table proportional or non-proportional?

Accepted Answer

Proportional

Answer

Non-Proportional

Question 13

Is the graph proportional or non proportional?

Accepted Answer

proportional

Answer

non proportional

Question 14

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 15

A line is linear if it forms a straight line. A line that does not form a straight line is non-linear. Which best describes this graph?

Accepted Answer

non-linear and non-proportional

Answer

linear and non-proportional

Answer

linear and proportional

Answer

non-linear and proportional

Question 16

The graph shows the water level as a bathtub fills. Select the correct choice that describes this graph.

Accepted Answer

The graph is proportional and non-proportional.

Answer

The graph is proportional.

Answer

The graph is a unit rate and a percentage

Answer

The graph is non-proportional.

Question 17

Is the graph proportional or non-proportional?

Accepted Answer

Proportional

Answer

Non-Proportional

Question 18

What is the constant of proportionality?

Accepted Answer

16

Answer

8

Answer

24

Answer

2

Question 19

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality?

Accepted Answer

$9.25

Answer

$37

Answer

$64.75

Answer

$18.50

Question 20

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

y=9.75x

Answer

y=19x

Answer

y=9.5x

Question 21

Write an equation for this relationship.

Accepted Answer

y=21.98x

Answer

y=10.99x

Answer

y=22.98x

Answer

y=22x

Question 22

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

Accepted Answer

Proportional

Answer

Not Proportional

Question 23

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

Accepted Answer

Proportional

Answer

Not Proportional

Question 24

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

Accepted Answer

They are linear and also pass through the origin.

Answer

They pass through the origin.

Answer

They are curved

Answer

They have a negative relationship and pass through the origin.

Question 25

Which graph shows a proportional relationship between x and y?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 26

y varies directly with x.
y is 84 when x is 16. What is the constant of proportionality?

Accepted Answer

k = 5.25

Answer

y = (21/4)x

Answer

k = 21

Answer

k = 4/21

Question 27

Write an equation for this relationship.

Accepted Answer

y = 1/4x

Answer

y = 4x

Answer

y = 1/8x

Answer

y = 8x

Question 28

In a direct variation, y = 39 when x = 3.
Find the value of y when x = 2.

Accepted Answer

26

Answer

3

Answer

58.5

Answer

2

Question 29

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Accepted Answer

$308

Answer

$2

Answer

$1.57

Answer

$265

Question 30

Is the given table a direct variation? If so, what is the constant?

Accepted Answer

No

Answer

Yes; 1/4

Answer

Yes; 4

Answer

Yes; 2

Question 31

y varies directly with x. When y = 39,  x = 3.  Find the value of y when x = 2.

Accepted Answer

26

Answer

3

Answer

58.5

Answer

2

Question 32

Is this a direct variation?
y = 2x

Accepted Answer

yes

Answer

no

Question 33

Does the relationship represent direct variation?

Accepted Answer

Yes

Answer

No

Question 34

What is the constant of proportionality?

Accepted Answer

16

Answer

8

Answer

24

Answer

2

Question 35

Is this proportional?
y = 7x + 3

Accepted Answer

no

Answer

yes

Question 36

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?

Accepted Answer

$394

Answer

$440

Answer

$472.80

Answer

$512.20

Question 37

y varies directly with x. When y is 16, x is 32. Which equation represents this situation?

Accepted Answer

y = (1/2)x

Answer

y = 32x

Answer

y = 16x

Answer

y = 2x

Question 38

What ordered pair does a direct variation always go through when graphed?

Accepted Answer

(0, 0)

Answer

(1, 0)

Answer

(0, 1)

Answer

(1, 1)

Question 39

What is the solution?

Accepted Answer

(1, -1)

Answer

(-1, 1)

Answer

(0, -2)

Answer

(2, 0)

Question 40

Find the slope from the table.

Accepted Answer

4

Answer

-4

Answer

1

Answer

-2

Question 41

What is the y-intercept in the following equation:  y=-4x-5

Accepted Answer

-5

Answer

-4

Answer

-4x

Answer

5

Question 42

Give the solution to the system.

Accepted Answer

(1,3)

Answer

(3,1)

Answer

(-1,3)

Answer

(1, -3)

Question 43

Based on the graph, which statement appears to be true?

Accepted Answer

the charge for a trip with a distance of 5 miles is $20 for both taxi 1 and taxi 2

Answer

the charge for a trip with a distance of 5 miles is $5 greater for taxi 1 than for taxi 2

Answer

the charge for a trip with a distance of 5 miles is $5 less for taxi 1 than for taxi 2

Answer

the charge for a trip with a distance of 5 miles cannot be determined for either taxi 1 or taxi 2

Question 44

Write the equation of the line.

Accepted Answer

y= -3x-3

Answer

y= -1x-3

Answer

y= -3x-1

Answer

y=-1/3x-1

Question 45

Which equation matches the table?

Accepted Answer

y = x + 5

Answer

y = 5x

Answer

y = x - 5

Answer

x = y - 5

Question 46

Where do these two lines intersect?

Accepted Answer

(-2, 3)

Answer

No solution

Answer

(3, -2)

Answer

(2, 3)

Question 47

The solution to the system is

Accepted Answer

(-2, -8)

Answer

(-8, -2)

Answer

(2, -8)

Answer

No solution

Unit 4 Review - Proportional vs. Non-Proportional Relationships

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