Finding Rate of Change of Equations

Which statement describes the rate of change of the line?

• $20 each week

• $30 each week

• $25 each week

• $70 each week

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

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.HSF-LE.A.1B

What does k represent in the equation y = kx?

• constant rate of change

• constant of proportionality

• the equation

• x/y

Tags

CCSS.7.RP.A.2C

Identify the constant of proportionality.

• k = 1/0.45

• k = 0.45

• k = -0.45

• k = -1/0.45

• none (not proportional)

Tags

CCSS.7.RP.A.2B

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

In what form is the equation of a proportional relationship?

• y = mx + b

• y = kx

Tags

CCSS.7.RP.A.2C

Select ALL equations that are proportional.

• y = 3x

• y = 25x

• y = 7x

• y = 2x - 1

• y = 4000x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the rate of change in the equation?
y=8x+6

• 8

• 6

Tags

CCSS.HSF-LE.A.1B

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which rate of change represents the graph shown?

• -15 feet per minute

• 15 feet per minute

• -200 feet per minute

• 200 feet per minute

Tags

CCSS.HSF.IF.B.4