Compare Two Line Functions

Identify the line less steep than:

y = 3x + 8

• y = 5x + 8

• y = 3x + 5

• y = -3x + 6

• y = 2x + 7

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Rewrite f(x) = 2x - 1 shifted up three units and the slope doubled

• f(x) = 5x - 2

• f(x) = 4x + 2

• f(x) = 4x + 3

• f(x) = 5x - 4

Choose ALL the equations that have the

same steepness as y = 3/4x + 9

• y = -3/4x - 6

• y = 0.75x + 1

• y = -4/3x + 9

• y = -9/12x - 2

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Compare the equations f(x) = 12x + 2 and g(x) = 6x – 2. Which best describes the transformation(s) from f(x) to g(x)?

• Vertical shift down 2, less steep slope

• Vertical shift up 4, double the slope

• Vertical shift down 4, half the slope

• Steeper by 2

• A

• B

• C

• D

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• The functions have the same y-intercept

• The functions have a positive slope

• The functions have the same slope

• The functions are both linear

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?

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

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of 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