Unit 2 Proportional Relationships Quiz

The table below shows the time it takes a prototype car to travel different distances.

What is the constant rate of change in this situation in miles per hour?

• 132 miles per hour

• 60 miles per hour

• 55 miles per hour

• 0.92 miles per hour

Tags

CCSS.HSF-LE.A.1B

Caroline's cell phone plan costs $32 per month. Which table shows the sum of the amounts that Caroline will pay for her call phone plan over the next 4 months.

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At a school carnival, tickets can be purchased to participate in different activities. The table shows the total cost for different numbers of tickets.

What is the constant of proportionality that relates, y, the total cost in dollars, to x, the number of tickets purchased?

• 4.00

• 0.25

• 1.00

• 0.10

A recipe says to use 3 cups of flour to make 48 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x?

The total distance a snail travels in feet, y, is directly proportional to the number of minutes the snail travels, x.

What is the constant of proportionality represented in the graph?

• 2 feet per minute

• 0.5 foot per minute

• 3 feet per minute

• 0.3 feet per minute

Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980-2000, and the rest are dated after 2000.

How many pennies in Russell's collection are dated after 2000?

• 480

• 720

• 40

• 60

Nate spent $0.75 on 1.5 pounds of bananas. At this rate, how much will 6 pounds of bananas cost?

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

• 15%

• 25%

• 75%

• 40%

Amanda increased the amount of protein she eats every day from 48g to 54g. By what percentage did Amanda increase the amount of protein she eats?

• 11.1%

• 88.9%

• 112.5%

• 12.5%

A battery factory typically produces 12,000 batteries per day and uses 50 boxes for packing the batteries. If the number of boxes needed for packing is proportional to the number of batteries produced, how many more boxes would be needed on a day when 18,000 batteries are produced?