Proportions and Unit Rate

• A
• B
• C
• D

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Which of these describes the unit rate?

• unit of measure

• fraction with a numerator of one

• fraction with a denominator of one

• proportion

A bus traveled 150 miles in 3 hours. At what average rate did the bus travel?

• 150 miles per hour

• 75 miles per hour

• 50 miles per hour

• 450 miles per hour

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12

• $1.50

• $3

• $1

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Find the unit rate of 40 meters in 16 seconds

• 0.4 meters per second

• 0.4 seconds per meter

• 2.5 meters per second

• 640 meters per second

At a grocery store, three-dozen cookies cost $9.00. What would be the cost of one cookie?

• $0.25

• $1.25

• $0.50

• $0.33

Simplify the complex fraction shown.

• 9/40

• 40/9

• 10/36

• 5/18