Linear Functions Review

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Who has the greater rate of change?

• Hunter has the greater rate of change.

• Casey has the greater rate of change 

• They have the same rate of change

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the rate of change and initial value?

• Rate of Change = 3 Initial Value = 8

• Rate of Change = 8 Initial Value = 3

Tags

CCSS.HSF-LE.A.1B

• A
• B
• C
• D

• A

• B

• C

• D

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CCSS.8.F.A.3

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Which two functions have a graph that is a line?

• y = 2x²– 9x

• y = –3^x

• y = 2x – 9

Select all of the following equations which define linear functions.

• y = x² – 7

• y = 6 – 5x

• y = 9x

Tags

CCSS.8.F.A.3

Which sets of ordered pairs are functions?

Choose all that apply.

• (9, -1), (8, -2), (7, -3), (6, -4)

• (5, -1), (5, -2,), (5,12), (5, 0)

• (4, 2), (-4, 2), (2, 4), (-2, -4)

• (1, -4), (2, -4,), (3, -4), (4, -4)

• (5, 8), (4, 9), (5, 9), (4, 8)

Tags

CCSS.8.F.A.1

Dave owns a lawn business. He charges $10 per hour and a $25 dollar disposal fee. What is the correct equation Dave would use to find out how much to charge his customers?

• y = 25x + 10

• x = 25y + 10

• y = 10x +25

• x = 10y + 25

Tags

CCSS.6.EE.C.9