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 a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity of one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the constant of proportionality?

Back

The constant of proportionality can be found by dividing one quantity by the other in a proportional relationship.

Tags

CCSS.7.RP.A.2B

Front

What does the ordered pair (x, y) represent in a proportional relationship?

Back

The ordered pair (x, y) represents the relationship between two quantities, where x is the independent variable and y is the dependent variable.

Tags

CCSS.7.RP.A.2C

Front

If a machine folds 3000 sheets in 20 minutes, what is the unit rate?

Back

The unit rate is 150 sheets per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write an equation for a proportional relationship?

Back

An equation for a proportional relationship can be written in the form y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

What is the meaning of the constant of proportionality in a real-world context?

Back

The constant of proportionality represents the rate at which one quantity changes in relation to another.

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it passes through the origin (0,0) and forms a straight line.

Tags

CCSS.7.RP.A.2D

Front

What is the relationship between the unit rate and the constant of proportionality?

Back

The unit rate is the same as the constant of proportionality in a proportional relationship.

Tags

CCSS.7.RP.A.2B

Front

If Perry earned $96 for shoveling 8 driveways, how much would he earn for 6 driveways?

Back

Perry would earn $72 for shoveling 6 driveways.

Tags

CCSS.6.RP.A.3B