Proportional or Non-Proportional (Tables)

Front

What is a proportional relationship?

Back

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

Tags

CCSS.7.RP.A.2A

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How can you identify a proportional relationship in a table?

Back

A proportional relationship can be identified in a table if the ratios of corresponding values are the same.

Tags

CCSS.7.RP.A.2A

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What is the constant of proportionality?

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The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Tags

CCSS.7.RP.A.2B

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What does it mean if a relationship is non-proportional?

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A non-proportional relationship means that the ratio between two quantities is not constant.

Tags

CCSS.7.RP.A.2D

Front

How can you tell if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it is a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

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What is an example of a proportional relationship in real life?

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An example of a proportional relationship is the relationship between distance and time when traveling at a constant speed.

Tags

CCSS.7.RP.A.2A

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What is an example of a non-proportional relationship?

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An example of a non-proportional relationship is the relationship between the number of items purchased and the total cost when there is a fixed fee added.

Tags

CCSS.7.RP.A.2D

Front

What is the difference between direct variation and proportional relationships?

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Direct variation is a specific type of proportional relationship where one variable is a constant multiple of another.

Tags

CCSS.7.RP.A.2D

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How do you calculate the constant of proportionality from a table?

Back

To calculate the constant of proportionality from a table, divide the value of one quantity by the corresponding value of the other quantity.

Tags

CCSS.7.RP.A.2B

Front

What is the significance of the origin in proportional relationships?

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The origin (0,0) is significant in proportional relationships because it indicates that when one quantity is zero, the other quantity is also zero.

Tags

CCSS.7.RP.A.2D