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Parabola with Focus and Directrix

Parabola with Focus and Directrix
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2016-11-15 03:34
FunctionCoordinate GeometryGeometric Construction
This example demonstrates constructing a parabola using a focus and a directrix. Key mathematical concepts include the definition of a parabola, geometric construction, and coordinate geometry. GeoGebra commands used include Point, Segment, LineBisector, OrthogonalLine, and Intersect. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Point(d) → D
  2. Segment(F, D) → f
  3. LineBisector(F, D) → l
  4. OrthogonalLine(D, d) → g
  5. Intersect(l, g) → P
  6. Textfield(F) → InputBox1
  7. Textfield(d) → InputBox2
  8. Textfield(g) → InputBox3
  9. Textfield(D) → InputBox4
  10. Textfield(d) → InputBox5