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.
01:35
Using Intercepts to Graph Linear Equations
How to graph linear equations using intercepts.
03:17
Using Two Points on a Line to Write an Equation
Using the coordinates of two points on a line to write an equation involving the Celsius and Fahrenheit temperature scales.