Compare Functions Slope-Intercept Form

The ratio of the change in y to the change of x represents ____.

(Select all that apply.)

• functions

• rate of change

• slope

• initial value

Tags

CCSS.HSF-LE.A.1B

• y

• m

• x

• b

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an equation in y = mx + b form of the line shown on the graph.

Randy charges his tenants $400 each month to rent his houses plus $600 security deposit. In the new year, the property taxes increased on the area where he rents so as a result he must increase the rate of change by $25 to ensure his profits are not harmed. Write an equation that best represents how much his tenants will now have to pay.

(*Remember rate of change is the slope.)

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Find the equation for Beth's service. Which service is cheaper for 8 movies in one month?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which company shows a greater rate of change?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Compare the rates of change. Do they have the same rate of change? If they have different rates of change, which one is greater?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who is losing weight faster?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the rate of change for each function, and which one has the greater rate of change?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the rate of change for each? Who has the greater rate of change?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9