Constant of Proportionality Practice

Front

What is the constant of proportionality?

Back

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

Front

True or False: The constant of proportionality is also the unit rate.

Back

True

Front

In the equation y = ½x, what is the constant of proportionality?

Back

1/2

Front

Which of the following tables represents a proportional relationship? a, b, c, d, or all of them?

Back

a, c & d

Front

If 624 calories are consumed in 3 servings, what is the constant of proportionality in calories per serving?

Back

208 calories per serving

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality, y is the output, and x is the input.

Front

If Craig earns $37 for 4 hours, what is his hourly rate?

Back

$9.25 per hour.

Front

What does a proportional relationship look like on a graph?

Back

A proportional relationship is represented by a straight line that passes through the origin.

Front

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

Back

3

Front

How do you determine if a relationship is proportional from a table of values?

Back

Check if the ratio of y to x is constant for all pairs of values.