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'. It remains constant for all pairs of values in a proportional relationship.

Front

How do you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratio of the values in one column to the values in another column is constant.

Front

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

Back

$9.25 per hour.

Front

What is the constant of proportionality for the equation y = 3x?

Back

k = 3.

Front

If a car travels 90 miles in 2 hours, what is the constant of proportionality in miles per hour?

Back

45 mph.

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Front

If 624 calories are consumed in 3 servings, how many calories are in one serving?

Back

208 calories per serving.

Front

What does it mean if a relationship is not proportional?

Back

If a relationship is not proportional, the ratio between the two quantities changes and does not remain constant.

Front

Identify the constant of proportionality in the equation y = 5x.

Back

k = 5.

Front

What is the constant of proportionality if y = 2.5x?

Back

k = 2.5.