Unit Rate

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

How do you find the unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

If 6 gallons of gasoline cost $15.00, what is the price per gallon?

Back

$2.50

Front

What are the characteristics of a proportional relationship on a graph?

Back

They are linear (straight line) and pass through the origin.

Front

Does the graph of a proportional relationship pass through the origin?

Back

Yes.

Front

If 9 concert tickets cost $279, what is the cost per ticket?

Back

$31.

Front

What is the constant of proportionality in a proportional relationship?

Back

It is the ratio of y to x, which remains constant.

Front

What does it mean if two quantities are proportional?

Back

It means that as one quantity changes, the other quantity changes at a constant rate.

Front

If a recipe requires 4 cups of flour for 2 cakes, how much flour is needed for 1 cake?

Back

2 cups of flour.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.