Lesson Plan: One-Variable Quadratic Inequalities Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve one-variable quadratic inequalities algebraically and graphically.


Students will be able to

  • solve quadratic inequalities in one variable algebraically,
  • solve quadratic inequalities in one variable graphically.


Students should already be familiar with

  • graphing quadratic equations,
  • solving quadratic equations by factoring,
  • solving quadratic equations graphically,
  • set notation.


Students will not cover

  • solving inequalities with more than one variable.

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