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 unit rate?

Back

The unit rate is the ratio of two measurements in which the second measurement is 1. It represents how much of one quantity corresponds to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you identify a proportional relationship from a table?

Back

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

Tags

CCSS.7.RP.A.2D

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Tags

CCSS.7.RP.A.2B

Front

If y = 3x, what is the constant of proportionality?

Back

The constant of proportionality is 3.

Tags

CCSS.7.RP.A.2B

Front

What does the point (1, k) represent in a proportional relationship?

Back

The point (1, k) represents the unit rate, where k is the value of y when x is 1.

Tags

CCSS.7.RP.A.2D

Front

How can you find the missing value in a proportional table?

Back

To find the missing value, set up a proportion using the known values and solve for the unknown.

Tags

CCSS.7.RP.A.2C

Front

What is the equation of a proportional relationship?

Back

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

Tags

CCSS.7.RP.A.2C

Front

If a table shows values (2, 6) and (4, 12), is it proportional?

Back

Yes, because the ratio 6/2 = 3 and 12/4 = 3, which are equal.

Tags

CCSS.7.RP.A.2A

Front

What is the graphical representation of a proportional relationship?

Back

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

Tags

CCSS.7.RP.A.2D