Equations of Proportional Relationships

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What is a proportional relationship?

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A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

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CCSS.7.RP.A.2A

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What is the general form of the equation for a proportional relationship?

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CCSS.7.RP.A.2C

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How do you identify the constant of proportionality in an equation?

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CCSS.7.RP.A.2B

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What does the graph of a proportional relationship look like?

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The graph of a proportional relationship is a straight line that passes through the origin (0,0).

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CCSS.7.RP.A.2D

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The constant of proportionality is 16.

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CCSS.7.RP.A.2B

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How can you determine if a relationship is proportional from a table of values?

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CCSS.7.RP.A.2A

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CCSS.7.RP.A.2C

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CCSS.8.EE.B.6

CCSS.8.F.A.3

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What does it mean if the constant of proportionality is negative?

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A negative constant of proportionality indicates that as one quantity increases, the other decreases.

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How do you write the equation of a proportional relationship from a word problem?

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CCSS.7.RP.A.2C