C&S Inv 1 & 2 Review

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 they are directly proportional.

Front

If it takes Knox three hours to write a six-page research paper, how long would it take him to write a paper that is nine pages?

Back

4.5 hours

Front

Asher is making a pie that requires 1 cup of apples for every 0.5 tablespoon of cinnamon. If he has 6 cups of apples, how many tablespoons of cinnamon will he need?

Back

3 tablespoons

Front

The constant of proportionality is the same as the unit rate. True or False?

Back

True

Front

If Mr. Furby can run 3 miles in 36 minutes, how long, in minutes, would it take him to run 1 mile?

Back

12 minutes

Front

Define unit rate.

Back

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

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

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

Back

To find the constant of proportionality, divide the value of one quantity by the corresponding value of the other quantity for any pair of values.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

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

Back

The constant of proportionality is 2/3.