Describing Linear and Nonlinear Graphs

Is this  graph a function?

• Function

• Not a Function

Fran buys used DVDS. She pays $2.75 for each DVD she buys. She graphs a line to show the total amount (y), in dollars, she pays to buy x used DVDS. Which equation correctly describes Fran’s line?

Which statement describing a function of x is true?

A scatter plot is graphed on the coordinate grid shown. Which equation best describes a line of best fit for the data?

From the table, is the function Linear or Nonlinear?

• Linear

• Nonlinear

The table represents a function. Is it linear or non-linear?

• Linear

• Nonlinear

Is the function Linear or Nonlinear?

• Linear

• Nonlinear

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

Is this function linear or nonlinear?

• Linear

• Nonlinear