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 the two quantities are directly proportional.

Front

Which graph represents a proportional relationship?

Back

A graph that passes through the origin (0,0) and has a straight line indicates a proportional relationship.

Front

Find the constant of proportionality for 624 calories in 3 servings.

Back

The constant of proportionality is 208 calories per serving.

Front

Identify the constant of proportionality if k = 5.

Back

The constant of proportionality is 5.

Front

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

Back

His hourly rate is $9.25 per hour.

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio to each other.

Front

How do you calculate the constant of proportionality?

Back

To calculate the constant of proportionality, divide one quantity by the other (y/x).

Front

What is the formula for a proportional relationship?

Back

The formula for a proportional relationship is y = kx, where k is the constant of proportionality.

Front

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

You need 5 cups of flour for 10 servings.

Front

What is the unit of measurement for the constant of proportionality in a money-related problem?

Back

The unit of measurement is typically in currency per unit of time or quantity (e.g., dollars per hour).