Identifying Functions Review

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

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

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

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

What makes a graph proportional?

• Linear
• The line is only in quadrant 1
• Curvy line
• Linear and the line goes through the origin

Tags

CCSS.7.RP.A.2D

A proportional relationship can be written as an equation in the form ...

• y = k+x

• y = k-x

• y = kx

• y = k/x

Tags

CCSS.8.EE.B.5

Is the graph proportional or non proportional?

• proportional
• non proportional

Tags

CCSS.7.RP.A.2D

Which of the following is NOT a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1