Constant of Proportionality Equations

Front

What is the constant of proportionality in the equation y = 2x?

Back

The constant of proportionality is 2.

Tags

CCSS.7.RP.A.2B

Front

How do you express the constant of proportionality in the form y = kx?

Back

You express it by identifying k as the coefficient of x.

Tags

CCSS.7.RP.A.2B

Front

What does k represent in a proportional relationship?

Back

k represents the constant of proportionality.

Tags

CCSS.7.RP.A.2B

Front

If y = 33x, what is the constant of proportionality?

Back

The constant of proportionality is 33.

Tags

CCSS.7.RP.A.2B

Front

Which equation can be used to find k in a proportional relationship?

Back

k = y/x.

Tags

CCSS.7.RP.A.2B

Front

In the equation y = 5x, what is the value of k?

Back

The value of k is 5.

Front

What is the relationship between x and y in a proportional equation?

Back

y is directly proportional to x.

Tags

CCSS.7.RP.A.2D

Front

If k = 1/2, what is the equation of the proportional relationship?

Back

The equation is y = (1/2)x.

Tags

CCSS.7.RP.A.2C

Front

How can you determine if two quantities are proportional?

Back

If the ratio of the two quantities is constant, they are proportional.

Tags

CCSS.7.RP.A.2A

Front

What is the formula to find the constant of proportionality from a table of values?

Back

k = y/x for any pair of corresponding values.

Tags

CCSS.7.RP.A.2B