Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant ratio between two quantities that are directly proportional to each other.

Front

If y = kx, what does k represent?

Back

k represents the constant of proportionality in the equation y = kx.

Front

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

Back

To find the constant of proportionality, divide the value of y by the corresponding value of x for any pair of values.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

Identify the constant of proportionality if y = 1.50x.

Back

k = 1.50.

Front

Identify the constant of proportionality if y = 2x.

Back

k = 2.

Front

What is the constant of proportionality if a car travels 90 miles in 2 hours?

Back

k = 45 mph.

Front

If y = 6x, what is the constant of proportionality?

Back

k = 6.

Front

What does it mean if two quantities are not proportional?

Back

It means that the ratio between the two quantities is not constant.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the constant of proportionality?

Back

k = 2/3.