y=kx Verbal Descriptions

The grocery store sells cantaloupes for $4.50 per pound. Write an equation to represent the cost, c, for the number of pounds of cantaloupes bought, p.

• c = 45p

• c = 4.5p

• p = 4.5c

• p = 45c

Which statement best describes this situation?

• Kevin earns $16.50 per hour.

• Kevin earns $8.00 per hour.

• Kevin earns $8.25 per hour.

• Kevin earns $8.50 per hour.

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed? 

• 65 miles∕1hr
• 60miles∕1hr
• 40miles∕1hr
• 50miles∕1hr

Tags

CCSS.HSF-LE.A.1B

Which company shows a greater rate of change?

Work this out on your paper; don't guess! =)

• Water's Edge Rafts

• Ryan's Rafts

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

Tags

CCSS.6.EE.B.7

• y = 2x - 15

• y = 15x +2

• y = -15x

• y = 15x

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

If the constant of proportionality is 7, which of the following is the correct proportional equation?

• y=7k
• y=k7
• y=kx
• y=7x

Tags

CCSS.7.RP.A.2C

Determine which equation does NOT represent a proportional relationship.

• y = -2x

• y = 3.4x

• y = 3x

• y = 5x - 7

Which statement best describes this relationship?

• Each ice cream cone costs $3.

• A runner can run 6 miles per hour.

• There are 12 inches in a foot.

• It takes one hour to travel 6 miles.