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. This means that as one quantity increases or decreases, the other quantity does so in a consistent manner.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is a relationship between two quantities where the ratio is not constant. This means that the change in one quantity does not consistently correspond to a change in the other quantity.

Front

What is the equation of a proportional relationship?

Back

Front

What is the equation of a non-proportional relationship?

Back

Front

How can you identify a proportional relationship from a table of values?

Back

A table of values represents a proportional relationship if the ratios of corresponding values are constant.

Front

How can you identify a non-proportional relationship from a table of values?

Back

A table of values represents a non-proportional relationship if the ratios of corresponding values are not constant.

Front

What does the slope represent in a proportional relationship?

Back

In a proportional relationship, the slope represents the constant ratio between the two quantities.

Front

What does the y-intercept represent in a non-proportional relationship?

Back

Front

Back

Front

Back

Non-proportional, because it includes a constant term (25) that shifts the line.