Constant vs Non Constant Rate of Change

Why is this function linear?

• This is a linear function because it does not have a constant rate of change

• This is a linear function because it creates a curved line.

• This is a linear function because it have a constant rate of change.

• This is a linear function because it's y-intercept is (0,2)

Is this function linear or nonlinear?

• Linear

• Nonlinear

Is the graph pictured a linear or nonlinear function?

• Linear

• Nonlinear

Is this function linear or nonlinear?

• Linear

• Nonlinear

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

Is the representation linear or non-linear? 

• Linear

• Non-Linear

Which graph(s) show nonlinear functions?

• Graph I, only

• Graph II, only

• Graph I and Graph II, only.

• Graph I, Graph II, and Graph III

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Find the rate of change

• 3

• -3

• 20

• Not a constant slope/Non-Linear

What is the rate of change in the equation?
y=8x+6

• 8

• 6