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Practice Using the Quadratic Formula to Find Roots

Practice Using the Quadratic Formula to Find Roots
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2016-06-15 06:43
FunctionCoordinate GeometryGraphing
This example demonstrates how to use the quadratic formula to find the roots of a quadratic equation. Key math concepts include quadratic functions, roots, and coefficient relationships. It uses commands like RandomPolynomial, Simplify, Root, SurdText, Coefficients, and Vector in GeoGebra for construction. Suitable for high school students practicing and mastering the quadratic formula application.

GeoGebra Commands & Parameters

  1. RandomPolynomial(2, -10, 10) → left
  2. RandomPolynomial(2, -10, 10) → right
  3. Simplify(left(x) - right(x)) → f
  4. Root(f) → A_1, A_2
  5. SurdText(x(A_1)) → text1
  6. SurdText(x(A_2)) → text2
  7. Coefficients(f) → list1
  8. Vector(A, B) → u