Proportional or Not Proportional Graphs

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 does a proportional graph look like?

Back

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

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

What does a non-proportional graph look like?

Back

A non-proportional graph may be a straight line that does not pass through the origin or a curve.

Tags

CCSS.7.RP.A.2D

Front

How can you determine if a graph is proportional?

Back

Check if the line passes through the origin and if the ratios of corresponding points are constant.

Tags

CCSS.7.RP.A.2D

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio between two proportional quantities.

Tags

CCSS.7.RP.A.2B

Front

Give an example of a proportional relationship in real life.

Back

The relationship between distance and time when traveling at a constant speed.

Tags

CCSS.7.RP.A.2A

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality, y is the dependent variable, and x is the independent variable.

Tags

CCSS.7.RP.A.2B

Front

What is a table of values for a proportional relationship?

Back

A table that shows pairs of values where the ratio of y to x is constant.

Tags

CCSS.7.RP.A.2B

Front

What is the slope of a proportional graph?

Back

The slope of a proportional graph is equal to the constant of proportionality.

Tags

CCSS.8.EE.B.5