Proportional Relationship/Tables

Front

What is a Proportional Relationship?

Back

A relationship between two quantities where their ratio is constant.

Tags

CCSS.7.RP.A.2A

Front

How can you identify a proportional relationship in a table?

Back

If the ratio of y to x is the same for all pairs of values.

Tags

CCSS.7.RP.A.2A

Front

What does the constant of proportionality represent?

Back

It represents the constant ratio between two proportional quantities.

Tags

CCSS.7.RP.A.2B

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2B

Front

What is a Ratio?

Back

A comparison of two quantities.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If x = 3 and y = 15, what is the constant of proportionality?

Back

5 (since 15/3 = 5).

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a table does not show a proportional relationship?

Back

The ratios of y to x are not constant.

Tags

CCSS.7.RP.A.2A

Front

If the constant of proportionality is 15, what is the value of y when x = 4?

Back

60 (since y = 15 * 4).

Tags

CCSS.7.RP.A.2B

Front

What is 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 relationship between the slope of a line and proportional relationships?

Back

In a graph of a proportional relationship, the slope is equal to the constant of proportionality.

Tags

CCSS.8.EE.B.5