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Solving Linear Systems by Graphing by Mrs. Simon

Solving Linear Systems by Graphing by Mrs. Simon
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2019-03-18 06:28
FunctionCoordinate GeometryGraphing
This example demonstrates solving systems of linear equations by graphing. Key mathematical concepts include linear equations and functions. GeoGebra commands such as Random, Line, Sequence, and Union are used for construction. Suitable for students from middle school and above.

GeoGebra Commands & Parameters

  1. Random(-10, 10) → a
  2. Random(-10, 10) → b
  3. Random(-10, 10) → c
  4. Line(A, B) → f
  5. Sequence(i, i, -10, y(B) - 1, 1) → dlower
  6. Sequence(i, i, y(B) + 1, 10, 1) → dupper
  7. Union(dlower, dupper) → dlist
  8. RandomElement(dlist) → d
  9. Line(A, C) → g
  10. Slope(f) → e
  11. Slope(g) → h
  12. FractionText(e) → text1
  13. FractionText(h) → text2
  14. Line(D, E) → i
  15. Line(G, F) → j
  16. Textfield(k) → InputBox1
  17. Textfield(l) → InputBox2