Constant of Proportionality with Equations

Front

What is the formula for a proportional relationship?

Back

y = kx

Tags

CCSS.7.RP.A.2C

Front

In what form is the equation of a proportional relationship?

Back

y = kx

Tags

CCSS.7.RP.A.2D

Front

What does 'k' represent in the equation y = kx?

Back

The constant of proportionality.

Tags

CCSS.7.RP.A.2B

Front

How can you find the constant of proportionality in a proportional relationship?

Back

By finding the unit rate.

Tags

CCSS.7.RP.A.2B

Front

What is the unit rate in a proportional relationship?

Back

The ratio of the change in y to the change in x.

Tags

CCSS.7.RP.A.2B

Front

If k = -0.45, what does this indicate about the relationship?

Back

The relationship is proportional and negative.

Tags

CCSS.HSF-LE.A.1B

Front

What does it mean if there is 'none' for the constant of proportionality?

Back

The relationship is not proportional.

Tags

CCSS.7.RP.A.2B

Front

How do you determine if a relationship is proportional?

Back

Check if the ratio of y to x is constant.

Tags

CCSS.7.RP.A.2A

Front

What is an example of a proportional relationship in real life?

Back

The relationship between distance and time at a constant speed.

Tags

CCSS.7.RP.A.2A

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin.

Tags

CCSS.7.RP.A.2D