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Constant of Proportionality Worksheet

A Grade 7 math worksheet focusing on understanding and identifying the constant of proportionality from tables, graphs, and equations.

Grade 7 Math Percents, Ratios, and RatesConstant of Proportionality
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseCustom

Standards

CCSS.MATH.CONTENT.7.RP.A.2
7 sections · Free to use · Printable
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Constant of Proportionality

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability. Show all your work for short answer questions.

1. Which equation represents a proportional relationship?

a

y = 3x + 2

b

y = 5x

c

y = x - 4

d

y = x^2

2. What is the constant of proportionality in the equation y = 0.5x?

a

0.5

b

1

c

2

d

5

3. In a proportional relationship, the ratio of y to x is always the  .

4. A graph of a proportional relationship is a straight line that passes through the  .

5. The table below shows the number of hours worked and the money earned. Is this a proportional relationship? If so, what is the constant of proportionality?

Hours (x) | Money Earned (y) ---|--- 2 | $30 4 | $60 6 | $90

6. If a relationship is proportional, then y/x is always constant.

T

True

F

False

7. Plot the points from the table below on the coordinate plane. Then, determine if the relationship is proportional and state the constant of proportionality.

x | y ---|--- 1 | 3 2 | 6 3 | 9

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Is the relationship proportional?  

Constant of proportionality: