Compare Same Format Linear Functions

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

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

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

• A

• B

• C

• D

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• Function J, -6

• Function J, 8

• Function K, 5

• Function K, 10

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Sam is saving more money per week than his sister.

• TRUE

• FALSE

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which statement is true?

• A

• B

• C

• D

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The cost of Patrick’s texting is described by y = 0.03x + 5. The cost of Melanie’s texting is shown in the table. Which service is cheaper when 50 texts are sent or received in one month? 

• Patrick’s service would cost $4.50. Melanie’s would cost $10.50. Patrick’s is cheaper.

• Patrick’s service would cost $6.50. Melanie’s would cost $12.50. Patrick’s is cheaper.

• Patrick’s service would cost $16.50. Melanie’s would cost $12.50. Melanie's is cheaper.

• Patrick’s service would cost $12.50. Melanie’s would cost $6.50. Melanie's is cheaper.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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?

• Beth's service

  ($38 vs. $40) is cheaper

• Nate’s service

  ($42 vs. $44) is cheaper

• Nate’s service

  ($38 vs. $40) is cheaper

• Beth's service

  ($42 vs. $44) is cheaper

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9