Math 8 Functions

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

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

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this is a function or not a function?

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which set of ordered pairs 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

The inputs are the x or the y values?

• x

• y

• neither

Tags

CCSS.8.F.A.1

CCSS.8.F.B.4

Select all of the following equations which define linear functions.

• y = 3/5

• y = x² – 7

• y = 6 – 5x

• y = 9x

• y = 4/x + 1

Tags

CCSS.8.F.A.3

Is the function linear or nonlinear?

• Linear Function
• Nonlinear Function

Tags

CCSS.8.F.A.3

Is the function Linear or Nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

Tags

CCSS.6.EE.C.9

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

CCSS.HSA.REI.D.11