Type:

Lesson Plan

Description:

The lesson begins with using graphs to solve quadratic inequalities. AN equation modeling the height of a rocket is graphed along with a second equation that represents the minimum height at which the rocket can legally and safely be exploded. The intersections of the graphs provide the solution interval. A second method is then presented where the inequality is put into standard form and then solved for its x-intercepts. Interval notation and union of sets is reviewed before a purely algebraic procedure for solving the inequalities is presented. The lesson concludes with an application problem.

Subjects:

  • Mathematics > General
  • Mathematics > Algebra

Education Levels:

  • Higher Education
  • Graduate
  • Undergraduate-Upper Division
  • Undergraduate-Lower Division

Keywords:

intermediate algebra quadratic inequalities

Language:

English

Access Privileges:

Members

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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