Constant of Proportionality Practice

Front

What do we call two quantities that do not simplify to equivalent ratios?

Back

Nonproportional

Front

If a car travels 390 miles in 6 hours, what is the constant rate of speed in miles per hour?

Back

65 miles per hour

Front

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

Back

$9.25 per hour

Front

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

Front

What is the constant of proportionality for the ratio 9:1?

Back

9

Front

Define the constant of proportionality.

Back

The constant of proportionality is the ratio between two proportional quantities, indicating how one quantity changes in relation to another.

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 dependent variable, and x is the independent variable.

Front

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

Back

2/3

Front

What is the unit rate of miles per hour if a car travels 520 miles in 8 hours?

Back

65 miles per hour

Front

If a person earns $64.75 for 7 hours of work, what is their hourly wage?

Back

$9.25 per hour