01:03
Changing Scales of the x and y Axes
When and how to change the scale of an axis.
02:23
Coordinate Plane
Graphs are created on an imaginary surface called a coordinate plane, which contains vertical and horizontal number lines. Using the numbers on the axes to plot points on the plane creates a picture of the solution.
01:25
Solving Systems by Graphing
Graphing the solution to a system of slope-intercept form equations.