Comparing Linear and Nonlinear Functions

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

• A
• B
• C
• D

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

Is the function Linear or Nonlinear?

• Linear

• Nonlinear

The table represents a linear function, what is the rate of change?

• ²⁄₁

• -2

• ¹⁄₂

• not linear

Linear Function, Nonlinear Function, Not a Function?

• Linear Function

• Nonlinear Function

• Not a Function

Linear Function, Nonlinear Function, Not a Function?

• Linear Function

• Nonlinear Function

• Not a Function

Which equations represent nonlinear functions? Select all that apply.

• y= 3x-4

• y=9x²+7x

• y=x

• y=2x³

• 2x²=y+4

The table shows the cost (y) in relation to the number of pounds (x) of bird seed. What is the missing y value that would make this a linear function?

• 2.80

• 1.40

• 4.20

• 3.90

This table shows the height of my green bean plants that I planted a few weeks ago. Is this a linear or nonlinear function?

• Linear

• Nonlinear