Khan Academy
Graphs of Linear Equations, Linear Equations and Functions, 8th grade
Sal is plotting away in this video - but don't worry, it's nothing suspicious. He introduces linear equations, taking viewers through a few simple examples before applying the knowledge to more complex word problems.
Khan Academy
Khan Academy: Graphing a Linear Equation
This video demonstrates how to graph a linear equation in two variables by creating a table of x, y values to use as coordinates for the graph of the line. [13:09]