Identifying Linear Functions

How Can You Tell If You Have a Linear Equation?

Trying to figure out if an equation is a linear equation? Well, can you write it in standard form? If you can, then it's a linear equation. See this process in action by watching this tutorial!
How Can You Tell if a Function is Linear or Nonlinear From a Graph?
How Can You Tell if a Function is Linear or Nonlinear From a Table?

To see if a table of values represents a linear function, check to see if there's a constant rate of change. If there is, you're looking at a linear function! This tutorial shows you how to tell if a table of values represents a linear function.