Representations of Proportional and Non-Proportional Relationships

Is the graph proportional?

• Yes

• No

Select all graphs that represent proportional relationships.

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• y = 1/5x

• y = 5x

• y = 1/2x

Write the equation of the proportional relationship using the format y = kx.

A family makes homemade pickles. They pick the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate? (7.4A)

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Tags

CCSS.Math.Content.7.RP.A.3

CCSS.Math.Content.7.RP.A.1

Answer the following questions.

c

d

g

i

f

4500

y=4500x

100

yes

10

y=10x

y = 1500x

10,500

1,500

no

Select all equations that represent a proportional relationship.

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• 

What is the constant of proportionality? Use the format k = 2.

What is the constant of proportionality? Use the format k = 4.