Unit Rate and Constant of Proportionality 2

Front

What does the 'k' represent in the equation y=kx?

Back

The constant of proportionality.

Front

If Tim ran 10 miles in 2 hours, what is the unit rate?

Back

5 miles per hour.

Front

What is the constant of proportionality based on the table if the answer is 45?

Back

45 miles per hour.

Front

What makes a graph proportional?

Back

A straight line through the origin.

Front

If my mother purchased 9 candy bars for $13.50, what is the unit price?

Back

$1.50.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

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

Back

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

Front

What is the formula to calculate unit rate?

Back

Unit Rate = Total Quantity / Total Time.

Front

What does a straight line through the origin indicate on a graph?

Back

It indicates a proportional relationship.

Front

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

Back

1.5 (flour to sugar ratio).