Linear vs. Non-Linear Functions

Which of these functions are linear?

Select two answers.

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• 

Is the graph pictured a function?

• Yes

• No

Why is this function linear?

• This is a linear function because it is going up

• This is a linear function because it is a straight line.

• This is a linear function because the line is curved.

• This is a linear function because it keeps going.

Why is this function nonlinear?

• This is a nonlinear function because it is on the side.

• This is a nonlinear function because it is a straight line.

• This is a nonlinear function because the line is curved.

• This is a nonlinear function because it is open ended

Is this function linear or nonlinear?

• Linear

• Nonlinear

Is this function linear or nonlinear?

• Linear

• Nonlinear

Is the graph pictured a linear or nonlinear function?

• Linear

• Nonlinear

Is this  graph a function?

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Which show a linear function? Select 2.

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• 
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