Proportions

If an equation takes the form y (minutes) = 3x (cookies eaten), how long will it take you to eat 3 cookies?

• 1 minute
• 9 minutes
• 3 minutes
• 1/3 minute

Tags

CCSS.5.OA.B.3

A graph has the equation y=14x. Which of the following is the constant of proportionality?

• 14
• x
• y
• 1/14

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Tags

TEKS.MATH.7.4C

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Tags

CCSS.7.RP.A.2C

What is the equation that represents this relationship?

• y = 1/12x

• y = 12x

• y = 0.6x

• This is not a proportional relationship.

Tags

CCSS.8.EE.B.5