Limits of Polynomial and Rational Functions: Evaluating the Limits of the Quadratic Function

This Limits of Polynomial and Rational Functions: Evaluating the Limits of the Quadratic Function interactive also includes:

Push an engaging resource to the limit. The interactive allows learners to find a limit on quadratic functions graphically. Using sliders, pupils set the x-value for the limit and to move values from the left and right toward the limit.

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Instructional Ideas

  • Lead a discussion on left and right limits
  • After the first couple of challenge problems, have class members develop a prediction on how to find limits for a quadratic function
Classroom Considerations

  • Students should be familiar with vertex form of a quadratic function
  • The supplemental material discusses functions beyond quadratic functions
  • Users must sign up for a free CK-12 account
Pros

  • Uses colors to highlight different aspects of the interactive
Cons

  • None