8th Grade Function Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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

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

• 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

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 appears to be the solution to the system of equations shown in the graph below?

• (-4,-2)
• (-1,6)
• (-2,-6)
• (4,8)

Which fraction is equivalent to 3^-3?

• -1/9
• -1/27
• 1/27
• 1/9

What is this? 

• Linear function
• Nonlinear function
• Linear, but not a function
• Nonlinear and not a function

What is this? 

• Linear function
• Nonlinear function
• Linear, but not a function
• Nonlinear and not a function