Lesson Plan: Graphing Linear Functions Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to graph linear functions.


Students will be able to

  • understand and recognize the graph and equation of a linear function,
  • sketch the graph of a linear function using a table of values,
  • sketch the graph of a constant function as a special case, 𝑓(𝑥)=𝑎,
  • determine if a given point lies on the graph of a linear function.


Students should already be familiar with

  • rearranging equations,
  • the definition of a function,
  • function notation,
  • identifying and evaluating polynomial functions.


Students will not cover

  • graphing nonlinear functions,
  • solving a system of linear equations graphically.

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