Proportional and Nonproportional Relationship

What is the formula for a proportional relationship?

• y=kx

• y=k/x

• z=ykx

• y=ky

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

Decide whether the table shows a proportional relationship between x and y.

• Yes, ratio y:x of 10:1

• Yes, ratio y:x of 2:1

• Yes, ratio y:x of 4:1

• Not a proportional relationship

Decide whether the table shows a proportional relationship between x and y.

• Yes, ratio y:x of 5:1

• Yes, ratio y:x of 1:5

• Yes, ratio y:x of 4:1

• Not a proportional relationship

Decide whether the table shows a proportional relationship between x and y.

• Yes, ratio y:x of 1.4:1

• Yes, ratio y:x of 1:1.4

• Yes, ratio y:x of 1:3/4

• Not a proportional relationship

Does the table represent a proportional relationship?

• yes

• no

Which best describes the equation?
y = 75x

• Proportional

• Nonproportional

Peter paid $79.80 for renting a bike for 6 hours. What was the rate per hour for renting the bike?

• $79.80

• $6.00

• $13.30

• $13.31

Brad drives 527 miles on 17 gallons. How many miles does Brad drive on one gallon?

• 31 mpg

• 17 mpg

• 51 mpg

• 15 mpg

Kelly is digging out the dirt to eventually pour a sidewalk. It took her 1/ 3 hour to dig 4 feet of the sidewalk. How fast is Kelly’s speed, in feet per hour?

• 12 feet per hour

• 7 feet per hour