8th grade functions quiz

What is the definition of function?

• Has inputs and outputs

• Each input has only ONE output

• Inputs have multiple outputs

• x-values and y-values

Tags

CCSS.8.F.A.1

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

(-2, 3), (0,1), (2, -4), (3, -1), (2, 4)

• Function

• Not a Function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

CCSS.8.F.B.5

What is the equation of this line?

• y= 3x+1
• y= -x+3
• y= 1/3x-1
• y= -1/3x+1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

Is this mapping a function or not a function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = -1/3x

• y = -3x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

The graph of a function is shown. Which three ordered pairs represent an input value of the function with its corresponding output value

• (0, -1)

• (-1, 0)

• (0, 0)

• (-4, 0)

• (0, -2)

Tags

CCSS.8.F.A.1

CCSS.8.F.B.4