Proportional Relationships Equations

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 is constant.

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality?

Back

The constant of proportionality (k) is the constant value that relates two proportional quantities in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

Write the equation for a proportional relationship given k=5.

Back

y = 5x

Tags

CCSS.7.RP.A.2C

Front

If y = 12x, what is the constant of proportionality?

Back

12

Tags

CCSS.7.RP.A.2B

Front

What does the equation y = kx represent?

Back

It represents a linear relationship where y is directly proportional to x.

Front

If the constant of proportionality is 1/4, what is the equation for y when x = 8?

Back

y = 2 (since y = (1/4) * 8)

Tags

CCSS.7.RP.A.2C