Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant value that relates two proportional quantities. It is the ratio of one quantity to another when they are directly proportional.

Tags

CCSS.7.RP.A.2B

Front

If a recipe calls for 3/4 cup of brown sugar for every 3 eggs, what is the unit rate of eggs per cup?

Back

4 eggs per cup.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the constant of proportionality in the equation y = 3x?

Back

The constant of proportionality is 3.

Tags

CCSS.7.RP.A.2B

Front

What is Brian's unit rate if he writes 30 words in 1 minute?

Back

30 words per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the constant of proportionality of a graph is k = 45, what does it mean?

Back

It means the boat travels 45 miles for every 1 hour.

Tags

CCSS.7.RP.A.2B

Front

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

Back

Divide the dependent variable by the independent variable for any pair of corresponding values.

Tags

CCSS.7.RP.A.2B

Front

What does a constant of proportionality of 1/2 mean in a real-world context?

Back

It means for every 1 unit of the first quantity, there are 1/2 units of the second quantity.

Tags

CCSS.7.RP.A.2B

Front

If the constant of proportionality is 5, what is the relationship between the two quantities?

Back

For every 1 unit of the first quantity, there are 5 units of the second quantity.

Tags

CCSS.7.RP.A.2B

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels at a constant speed, how can you express this using the constant of proportionality?

Back

The distance traveled is proportional to the time, with the constant of proportionality being the speed.

Tags

CCSS.7.RP.A.2C