MathPlotAI Logo MathPlotAI

Linear Functions Practice Applet for Students

Linear Functions Practice Applet for Students
Loading the math board and drawing, please wait…
2012-10-31 16:17
FunctionCoordinate GeometryGraphing
This GeoGebra example demonstrates the dynamic graphing of linear functions as straight lines, providing a student-focused practice environment with “Reset” and “Next Level” buttons for self-paced learning at chosen difficulty levels. Core mathematical concepts include linear equations, slope and y-intercept, the correspondence between algebraic expressions and Cartesian graphs, and level-based skill progression. Construction draws on the summarized GeoGebra commands: RandomElement and Random generate variable coefficients; Line draws the function graph; Slope computes gradient; FractionText displays rational values; Text and Textfield create interactive input fields; If implements conditional level logic. Objects such as a, b, ActualLevel, MaxLevel, LevelCount, and LevelTotal manage game state and progress. Suitable for middle school algebra (grades 7–9) and high school review of linear functions and coordinate geometry.

GeoGebra Commands & Parameters

  1. RandomElement({-8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8}) → a
  2. RandomElement({-8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8}) → b
  3. RandomElement({-8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8}) → c
  4. RandomElement({-8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8}) → d
  5. Line(G, H) → n
  6. Line(E, B) → k
  7. Line(A, B) → e
  8. Line(C, D) → h
  9. Random(1, 20) → n1
  10. Random(1, 20) → n2
  11. Random(1, 20) → n3
  12. Random(1, 20) → n4
  13. Random(1, 20) → n5
  14. Random(1, 20) → nx
  15. Cell(2, ActualLevel + 1) → LevelTotal
  16. Textfield(AnswerNum) → inputBox1
  17. If(e ≟ h ∧ g ∧ (C ≠ D), true, false) → C2
  18. If(e ≟ h ∧ g ∧ ActualLevel ≟ 2, true, false) → C3
  19. If(e ≟ j ∧ ActualLevel ≟ 3 ∧ g, true, false) → C4
  20. If(e ≟ j ∧ ActualLevel ≟ 4 ∧ g, true, false) → C5
  21. If(k ≟ j ∧ ActualLevel ≟ 5 ∧ g, true, false) → C6
  22. If(k ≟ j ∧ ActualLevel ≟ 6 ∧ g, true, false) → C7
  23. If(j ≟ n ∧ ActualLevel ≟ 7 ∧ g, true, false) → C8
  24. FractionText(abs(y(B) / x(A))) → text1
  25. If(y(B) < 0, "-", "+") → Text3
  26. If(y(B) / x(A) > 0, "-", "") → text4
  27. Textfield(j) → inputBox2
  28. FractionText(abs(y(B) / x(A))) → absslope
  29. Slope(k) → m
  30. FractionText(abs(m)) → text8
  31. Text(If[m < 0, "-", ""]) → text9
  32. If((C2 ≟ false ∧ ActualLevel ≟ 1 ∨ C3 ≟ false ∧ ActualLevel ≟ 2 ∨ C4 ≟ false ∧ ActualLevel ≟ 3 ∨ C5 ≟ false ∧ ActualLevel ≟ 4 ∨ C6 ≟ false ∧ ActualLevel ≟ 5 ∨ C7 ≟ false ∧ ActualLevel ≟ 6 ∨ C8 ≟ false ∧ ActualLevel ≟ 7) ∧ g, true, false) → AnswerWrong
  33. If(C2 ≟ true ∧ ActualLevel ≟ 1 ∨ C3 ≟ true ∧ ActualLevel ≟ 2 ∨ C4 ≟ true ∧ ActualLevel ≟ 3 ∨ C5 ≟ true ∧ ActualLevel ≟ 4 ∨ C6 ≟ true ∧ ActualLevel ≟ 5 ∨ C7 ≟ true ∧ ActualLevel ≟ 6 ∨ C8 ≟ true ∧ ActualLevel ≟ 7, true, false) → AnswerCorrect
  34. RandomElement({-8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8}) → o