Functions Practice Test

What is the definition of a function?

• A vertical line.

• Each input only has one output.

• Has inputs and outputs.

• Multiple outputs per input.

Tags

CCSS.8.F.A.1

Which graph could represent the following scenario?

´Dan wakes up and the temperature is 84°, but a cold front is coming in and the temperature is dropping an average of 4° every 10 minutes until it stays at 56° for an hour. Eventually the cold front passes and the temperature rapidly warms back up.

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Tags

CCSS.HSF-IF.C.7B

Which of the following graphs is NOT a function?

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Does this mapping represent a function and why.

• Yes, because each output has an input.

• Yes, because each input only has one output.

• No, because one input has more than one output.

• No, because it doesn't make a line.

Tags

CCSS.8.F.A.1

Which of the following tables is NOT a function?

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Tags

CCSS.8.F.A.1

What is the slope of the line between the points (-2,4) and (4,12)?

• 1/2

• 3

• -2

• 4/3

Tags

CCSS.8.EE.B.5

Which TWO represent the same function?

• (0,2) (-1,-2) (-2,-6) (-3,-9)

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following correctly describes the graph?

• Discrete

• Neither increasing or decreasing

• Continuous

• Linear

Tags

CCSS.8.EE.B.5

Which of the following is a non-linear graph?

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Tags

CCSS.8.F.A.3

List 4 ordered pairs found on the graph.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1