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?

Nate’s service ($38 vs. $40) is cheaper

Beth's service ($38 vs. $40) is cheaper

Nate’s service ($42 vs. $44) is cheaper

Beth's service ($42 vs. $44) is cheaper

Compare the rates of change. Which statement is true about functions A and B?

A has a greater rate of change than B

They have the same rate of change

A and B both have negative rates of change

A has a negative ROC and B has a positive ROC

Which statement describes the definition of a function?

For every input, there is exactly one output.

For every input, there are no more than two outputs.

For every output, there is exactly one input.

For every output, there are no more than two inputs.

Which function has a greater y-intercept, and why?

Function 2 has a greater y-intercept because 5 > 3.

Function 1 has a greater y-intercept because 5 > 3.

Function 2 has a greater y-intercept because -1/2 > -3.

Function 1 has a greater y-intercept because -1/2 > -3

Compare Functions

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Used 1+ times

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20 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Compare the two linear functions listed below and determine which has a greater slope.

Function 1 because the slope is 3/2

Function 2 because the slope is 1

Function 1 because the slope is 2/3

They are equal

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Compare the two linear functions listed below and determine which has a greater slope.

Function 1 because the slope is 12

Function 2 because the slope is 1

Function 1 because the slope is 1/12

They are equal

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the function Linear or Nonlinear?

Linear

Nonlinear

Tags

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the function linear or nonlinear?

Linear Function

Nonlinear Function

Tags

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Function J, -6

Function J, 8

Function K, 5

Function K, 10

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two linear functions are shown below. Which function has the greater initial value?

Function A

Function B

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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Compare Functions

Compare the two linear functions listed below and determine which has a greater slope.

Compare the two linear functions listed below and determine which has a greater slope.

Is the function Linear or Nonlinear?

Is the function linear or nonlinear?

Two linear functions are shown below. Which function has the greater initial value?

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?

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?

Sam is saving more money per week than his sister.

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