Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant ratio between two variables, often represented as k in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

If y = 1.50x, what is the constant of proportionality?

Back

k = 1.50

Tags

CCSS.7.RP.A.2B

Front

Identify the constant of proportionality in the equation y = 2x.

Back

k = 2

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a relationship is proportional?

Back

A relationship is proportional if the ratio of the two quantities remains constant.

Tags

CCSS.7.RP.A.2A

Front

In the equation y = kx, what does k represent?

Back

k represents the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

If a car travels at a constant speed of 45 mph, what is the constant of proportionality for distance and time?

Back

k = 45 mph.

Tags

CCSS.7.RP.A.2B

Front

What is the constant of proportionality for the relationship: 4 swings in 8 days?

Back

k = 0.5 swings per day.

Tags

CCSS.7.RP.A.2B

Front

How do you determine the constant of proportionality from a table of values?

Back

Divide the y-value by the corresponding x-value for any pair of values.

Tags

CCSS.7.RP.A.2B

Front

If y = 2x, what happens to y if x is doubled?

Back

y will also double, maintaining the proportional relationship.

Front

What is the constant of proportionality if y = 3x and x = 4?

Back

k = 3.

Tags

CCSS.7.RP.A.2B