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Solving Quadratic Equations with Quadratic Formula

Solving Quadratic Equations with Quadratic Formula
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2018-07-25 02:34
FunctionCoordinate Geometry
This example demonstrates solving quadratic equations using the quadratic formula. Key mathematical concepts include quadratic equations and the quadratic formula. Using GeoGebra commands such as Sequence, Union, RandomElement, Root, and SurdText, it dynamically generates different quadratic equations and shows their solutions. Suitable for middle school and above students to learn solving quadratic equations.

GeoGebra Commands & Parameters

  1. Sequence(i, i, -20, 20, 1) → list2
  2. Sequence(i, i, -20, 20, 1) → list3
  3. Sequence(i, i, 1, 20, 1) → list4
  4. Sequence(i, i, -20, -1, 1) → list1
  5. Union(list1, list4) → list5
  6. RandomElement(list5) → a
  7. RandomElement(list2) → b
  8. RandomElement(list3) → c
  9. Root(f) → A, B
  10. SurdText(x(A)) → text2
  11. SurdText(x(B)) → text3