Proportional Relationships Y=Kx

The amount of eggs and the cups of cream needed to make egg nog have a proportional relationship.  Complete the table. 

• 5/1     &    5/1

• 10/2   &    25/5

• 1/5     &     1/5

• 2/10   &   5/25

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CCSS.7.RP.A.2A

• y = 1/5x

• y = 5x

• y = 1/2x

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CCSS.8.EE.B.5

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

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CCSS.7.RP.A.2C

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

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CCSS.7.RP.A.2B

Write the equation of the graph. Use the format y = kx.

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CCSS.7.RP.A.2D

Is the graph proportional?

• Yes

• No

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CCSS.7.RP.A.2D

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x

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CCSS.7.RP.A.2B

Write an equation for the relationship between x and y. Use format y = kx.

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CCSS.7.RP.A.2C

Select all graphs that represent a proportional relationship.

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CCSS.7.RP.A.2D

Select all equations that represent a proportional relationship.

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Tags

CCSS.7.RP.A.2C