Quiz about Constant Proportionality in Graphs

Question 1

y=kx. What does the k represent?

Accepted Answer

constant of proportionality

Answer

origin

Answer

circumference

Answer

divisor

Question 2

Which best describes the table?

Accepted Answer

proportional

Answer

non-proportional

Question 3

Is this table proportional or non-proportional?

Accepted Answer

Proportional

Answer

Non-Proportional

Question 4

Is this table proportional?

Accepted Answer

No

Answer

Yes

Question 5

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$200 earned for every 2 hours worked
is the unit rate

Answer

$300 is earned after working 4 hours

Question 6

What is the constant of proportionality?

Accepted Answer

$9

Answer

$3

Answer

$4

Answer

$2

Question 7

The constant of proportionality can be found by dividing the __________ by the _____________.

Accepted Answer

y , x

Answer

x , y

Question 8

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 9

Is the given table a proportional relationship? If so, what is the constant?

Accepted Answer

Yes; 3

Answer

Yes; 1/3

Answer

Yes; 5

Answer

No

Question 10

What makes a graph proportional?

Accepted Answer

Straight line and the line goes through the origin

Answer

Straight line

Answer

The line goes through the origin

Answer

Curvy line

Question 11

If Justin ordered 5 ice cream bars for $12.25, how much was one ice cream bar?

Accepted Answer

$2.45

Answer

$4.00

Answer

$7.25

Answer

$1.25

Question 12

A proportional relationship can be written as an equation in the form ____ = _____  _____

Accepted Answer

y = kx

Answer

y = k+x

Answer

y = k-x

Answer

y = k/x

Question 13

Determine the constant of proportionality.

Accepted Answer

0.2

Answer

5

Answer

1

Answer

1.4

Question 14

Determine the missing value in the table.

Accepted Answer

15

Answer

3

Answer

1/3

Answer

9

Question 15

Write an equation for this relationship.

Accepted Answer

y=18.50x

Answer

y=18x

Answer

y=22.50x

Answer

y=22x

Question 16

In order for a graph to represent a direct variation the line must be straight and go through the _________.

Accepted Answer

origin

Answer

y-axis

Answer

x-axis

Answer

1st quadrant

Question 17

The constant of proportionality can also be called the...

Accepted Answer

Unit Rate

Answer

Equation of a proportional relationship

Answer

Origin

Answer

Y-intercept

Question 18

Does this equation represent a proportional relationship?

y = 2 + 7x

Accepted Answer

No, because it will not go through the origin

Answer

Yes, because it has a constant of proportionality

Answer

Yes, because it will be a straight line

Answer

No, because it will not be a straight line

Question 19

Which of the following represents a proportional relationship?

Accepted Answer

5x = y

Answer

5x + 1 = y

Answer

1 - 5x = y

Answer

(x)(x) = y

Question 20

Which proportional relationship has a greater constant of proportionality?

Accepted Answer

B

Answer

A

Answer

The are the same

Answer

There is not enough information provided

Question 21

Which of the tables above represents a proportional relationship?

Accepted Answer

a, c & d

Answer

a & c

Answer

a, b & c

Answer

all of them

Question 22

Which of the tables above has a constant of proportionality of $0.20?

Accepted Answer

B

Answer

A & B

Answer

A

Answer

All of them

Question 23

This is a table with a proportional relationship between A and B.  Find the missing value of B.

Accepted Answer

44

Answer

33

Answer

32

Answer

48

Question 24

The table has a proportional relationship. Determine the missing value in the table.

Accepted Answer

15

Answer

3

Answer

1/3

Answer

9

Question 25

Does this graph represent a proportional relationship?

Accepted Answer

No

Answer

Yes

Constant Proportionality in Graphs

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