Constant of Proportionality

Front

What is the constant of proportionality in the equation y = ½x?

Back

1/2

Front

If a submarine dives 300 feet every 2 minutes, what is the constant rate of diving in feet per minute?

Back

150 ft. per minute

Front

Noah ran 3 miles in 20 minutes. What is his unit rate of miles per hour?

Back

9 miles per hour

Front

If Ethan earns $500 for every 8 hours worked, what is his unit rate of earnings per hour?

Back

$62.50 per hour

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if the ratio between two quantities remains constant.

Front

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

Back

Divide the output value by the input value for any pair of corresponding values.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second measurement is 1.

Front

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

Back

2

Front

What is the formula to calculate the constant of proportionality?

Back

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

Front

If a car travels 120 miles in 2 hours, what is the constant rate of speed in miles per hour?

Back

60 miles per hour