Proportional Relationships - Equations

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

• y

• x

• 14

• 1

Tags

CCSS.7.RP.A.2B

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

Tags

CCSS.7.RP.A.2C

The equation y=5x describes a proportional relationship between x and y. What is the constant of proportionality?

• 6

• 4

• 7

• 5

Tags

CCSS.7.RP.A.2B

What does k represent in the equation y = kx?

• constant rate of change
• constant of proportionality
• the equation
• x/y

Tags

CCSS.HSF-LE.A.1B

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.8.EE.B.5

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

Tags

CCSS.7.RP.A.2D

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

Tags

CCSS.8.EE.B.5

The average speed while on a road trip can be represented by the equation y = 66x. What is the unit rate?

• 1

• 33

• 66

• Cannot determine the unit rate from the equation

Tags

CCSS.7.RP.A.2D

The cost for packs of gum can be represented by the equation y = 2x. What is the constant of proportionality?

• 2x

• 1

• 2

• y

Tags

CCSS.7.RP.A.2B