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Adding and Subtracting Linear Functions Exercise

Adding and Subtracting Linear Functions Exercise
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2017-08-30 22:55
FunctionCoordinate GeometryGeometric Construction
This example demonstrates how to draw two linear functions using GeoGebra and display their sum and difference. Core math concepts include function addition, subtraction, properties of linear functions, and function graph transformations. Construction highlights involve commands like Random, Textfield, RandomElement, Polygon, TableText, and LaTeX to generate random linear functions and dynamically show their sums and differences. Suitable for high school students to understand function operations and graph transformations, or for teaching demonstrations.

GeoGebra Commands & Parameters

  1. Random(1, 5) → deltax
  2. Random(-10, 10) → d_1
  3. Textfield(g) → InputBox1
  4. RandomElement({-5, -4, -3, -2, -1, 1, 2, 3, 4, 5}) → a_1
  5. RandomElement({-5, -4, -3, -2, -1, 1, 2, 3, 4, 5}) → c_1
  6. Textfield(m) → InputBox2
  7. Polygon(B, C, D, E) → poly1, b_2, c_1, d_2, e_1
  8. TableText({{A3, B3, C3, D3}, {A4, B4, C4, D4}, {A5, B5, C5, D5}, {A6, B6, C6, D6}, {A7, B7, C7, D7}, {A8, B8, C8, D8}, {A9, B9, C9, D9}, {A10, B10, C10, D10}}, "|_r") → text1
  9. LaTeX(a, true, true) → text10
  10. LaTeX(b, true, true) → text11
  11. LaTeX(c, true, true) → text12
  12. LaTeX(d_1, true, true) → text13
  13. Random(1, 10) → nRand