Lesson 6.2: Describing Functions

Is this function linear or nonlinear?

• linear

• nonlinear

Is this function linear or nonlinear?

• linear

• nonlinear

Is this function linear or nonlinear?

• linear

• nonlinear

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

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 vertical

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

• This is a nonlinear function because it goes up and down.

• This is a nonlinear function because it is curved.

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Which equation represents y as a linear function of x?

• y=8x

• x=5

• y=4x²

• y=x³