Proportional VS. Nonproportional Relationships

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

Front

What is the Constant of Proportionality?

Back

The Constant of Proportionality is the constant ratio in a proportional relationship, often represented as 'k' in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

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 constant.

Tags

CCSS.7.RP.A.2D

Front

What does it mean if a graph passes through the origin?

Back

If a graph passes through the origin (0,0), it indicates that the relationship is proportional.

Tags

CCSS.7.RP.A.2D

Front

What is the shape of the graph of a proportional relationship?

Back

The graph of a proportional relationship is a straight line.

Tags

CCSS.7.RP.A.2D

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is a relationship where the ratio of one quantity to another is not constant.

Tags

CCSS.7.RP.A.2D

Front

How can you tell if a graph is non-proportional?

Back

A graph is non-proportional if it does not pass through the origin or if it is not a straight line.

Tags

CCSS.7.RP.A.2D

Front

What is an example of a proportional relationship?

Back

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

Tags

CCSS.7.RP.A.2A

Front

What is an example of a non-proportional relationship?

Back

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 does it mean for two variables to have a constant ratio?

Back

It means that as one variable changes, the other variable changes in a way that maintains the same ratio.

Tags

CCSS.7.RP.A.2D