Discriminant

This Discriminant interactive also includes:

Discriminate between the types of roots. The interactive root introduces the discriminant and its connection to the types and number of roots. Pupils use a slider to view graphically the effect of the sign of the discriminant on a parabola. They use that information to determine the number of real roots.

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CCSS: Adaptable
Instructional Ideas

  • Find the actual roots based upon the discriminant
Classroom Considerations

  • The class should know the quadratic formula
  • Individuals should be comfortable evaluating rational expressions
  • Teachers need to register for a free CK-12 account
Pros

  • Contains hints for the problems
  • Allows the scholars to view the correct answer if the incorrect one is selected
Cons

  • None