Rate of Change and Initial Value

The rate of change is another word for slope.

True or false?

Tags

CCSS.8.EE.B.5

A pizza place charges $1.50 per topping on a $10 pizza. What is the initial value?

• Initial Value: $1.50

• Initial Value: $10.00

Tags

CCSS.HSF.LE.B.5

A feather falls from a 105-foot cliff at a rate of 15 feet per minute. What is the rate of change?

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A pool has 200 gallons of water in it. Water is added to the pool at a rate of 500 gallons per hour.

In this an increasing, decreasing or constant function?

• Increasing

• Decreasing

• Constant

Tags

CCSS.HSF-LE.A.1B

What is the initial value?

(y-intercept when x=0)

• 0

• 3

• 20

Tags

CCSS.HSF-LE.A.1B

Identify the rate of change (slope) in the function y = 5.6x + 7?

• 5.6

• x

• 7

Tags

CCSS.8.EE.B.5

What is the initial value (y-intercept) of the function?

• -2

• 0

• 16

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

A music downloading service charges a $20 flat fee for the year and $0.20 per song downloaded.

What is the initial cost (y-intercept) to use the downloading service?

• $20

• $0.20

Tags

CCSS.HSF.LE.B.5

• 20

• 40

• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• 1.5° per hour

• -1.5° per hour

• 0.67° per hour

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6