Proportional 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 quantity is constant.

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality in the equation y = kx?

Back

The constant of proportionality (k) is the multiplier that relates the two variables x and y.

Tags

CCSS.7.RP.A.2B

Front

How can you identify a proportional relationship from a graph?

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

Front

What does it mean if a graph does not pass through the origin?

Back

If a graph does not pass through the origin, it does not represent a proportional relationship.

Tags

CCSS.7.RP.A.2D

Front

In the equation y = 14x, what is the constant of proportionality?

Back

14

Tags

CCSS.7.RP.A.2B

Front

What is the equation of a proportional relationship if the constant of proportionality is 10?

Back

y = 10x

Tags

CCSS.7.RP.A.2C

Front

What is the relationship between x and y if the table shows a constant ratio?

Back

The relationship is proportional.

Tags

CCSS.7.RP.A.2D

Front

What does the term 'non-proportional' mean?

Back

Non-proportional means that the relationship between two quantities does not maintain a constant ratio.

Tags

CCSS.7.RP.A.2D

Front

How can you tell if a set of points is proportional?

Back

If the ratio of y to x is the same for all points, then the set of points is proportional.

Tags

CCSS.7.RP.A.2D

Front

What is the significance of the origin in proportional relationships?

Back

The origin (0,0) is significant because a proportional relationship must pass through it.

Tags

CCSS.7.RP.A.2D