Proportional Relationships

Front

What makes a graph proportional?

Back

A graph is proportional if it is linear and the line goes through the origin.

Tags

CCSS.7.RP.A.2D

Front

What is the constant of proportionality in the equation y = ½x?

Back

The constant of proportionality is 1/2.

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a table is proportional?

Back

A table is proportional if the ratio of the values remains constant.

Tags

CCSS.7.RP.A.2A

Front

What is a non-proportional graph?

Back

A non-proportional graph does not pass through the origin or does not have a constant rate of change.

Tags

CCSS.7.RP.A.2D

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second measurement is 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If y = kx, what does k represent?

Back

k represents the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

What does it mean if a relationship is proportional?

Back

It means that two quantities increase or decrease at the same rate.

Tags

CCSS.7.RP.A.2A

Front

How do you identify a proportional relationship from a graph?

Back

A proportional relationship can be identified by a straight line that passes through the origin.

Tags

CCSS.7.RP.A.2D

Front

What is the formula for finding the constant of proportionality?

Back

The constant of proportionality can be found using the formula k = y/x.

Tags

CCSS.7.RP.A.2B

Front

What is an example of a proportional relationship in real life?

Back

An example is the relationship between distance and time when traveling at a constant speed.

Tags

CCSS.7.RP.A.2A