Proportional relationships with equations

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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.

Tags

CCSS.7.RP.A.2A

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How do you write the equation of a proportional relationship?

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CCSS.7.RP.A.2C

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What is the constant of proportionality?

Back

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CCSS.7.RP.A.2B

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The constant of proportionality is 8.

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CCSS.7.RP.A.2B

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The number 15 represents the constant of proportionality, indicating that for every yoga class, the cost increases by $15.

Tags

CCSS.7.RP.A.2B

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What is a dependent variable?

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CCSS.6.EE.C.9

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In the context of speed and time, which is the dependent variable?

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The amount of time it takes to get to your destination is the dependent variable.

Tags

CCSS.6.EE.C.9

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If you have a recipe that requires 16 tbsp of honey for 20 cups of flour, how much honey is needed for 1 cup of flour?

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You need 0.8 tbsp of honey for 1 cup of flour.

Tags

CCSS.6.RP.A.3B

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What does it mean if a relationship is not proportional?

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If a relationship is not proportional, it means that the ratio between the two quantities is not constant.

Tags

CCSS.7.RP.A.2A

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

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You can determine if a table represents a proportional relationship by checking if the ratios of corresponding values are constant.

Tags

CCSS.7.RP.A.2A