Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant value that relates two proportional quantities, often represented as 'k' in the equation y = kx.

Front

Identify the constant of proportionality in the equation y = 3x.

Back

The constant of proportionality is 3.

Front

A box of cereal costs $3.59 for 30 oz. How much is the unit rate per ounce?

Back

12 cents per ounce.

Front

The constant of proportionality in the equation y = ½x is _______.

Back

1/2.

Front

A proportional relationship can be written as an equation in the form ____ = _____ _____

Back

y = kx.

Front

If y = 4 when x = 2, what is the constant of proportionality?

Back

The constant of proportionality is 2.

Front

What does it mean if two quantities are proportional?

Back

It means that as one quantity changes, the other quantity changes at a constant rate.

Front

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

Back

'k' represents the constant of proportionality.

Front

If the constant of proportionality is 5, what is the value of y when x = 3?

Back

y = 15.

Front

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

Back

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