How to Build Linear Functions from Tables, Graphs, and Points? (+FREE Worksheet!)
Write the equation of a line in slope-intercept form y = mx + b from a slope and intercept, a slope and point, or two points — with practice problems.
How to Identify Linear vs. Nonlinear Functions? (+FREE Worksheet!)
Three quick tests to classify any function as linear or nonlinear — the table test (first differences), the equation test, and the graph test.
