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Finding Slope by Inspection

Finding Slope by Inspection
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2019-10-16 01:10
FunctionCoordinate GeometryGeometric Construction
In collections Graphing Linear Functions
This example demonstrates how to find the slope of a line by mere inspection. It involves core math concepts like slope, linear functions, and straight lines. Constructed using GeoGebra commands such as Sequence, Union, Random, Line, FractionText, Intersect, Polygon, Vector, Angle, Distance, Textfield, and Slope. Suitable for high school students learning coordinate geometry.

GeoGebra Commands & Parameters

  1. Sequence(i, i, -10, -1) → a
  2. Sequence(i, i, -5, 5) → w
  3. Sequence(i, i, -10, -1) → b
  4. Sequence(i, i, 1, 10) → c
  5. Union(b, c) → d
  6. Random(-12, 12) → e
  7. Line(A, B) → g
  8. FractionText(Slope[f]) → text1
  9. FractionText(f(0)) → text2
  10. Intersect(h, i) → C
  11. Polygon(A, C, B) → poly1, b_1, a_1, c_1
  12. Vector(A, C) → u
  13. Vector(C, B) → v
  14. Angle(B, C, A) → α
  15. Distance(A, C) → distanceAC
  16. Distance(C, B) → distanceCB
  17. Textfield(n) → InputBox1
  18. Line(A, B) → p
  19. Slope(p) → o
  20. FractionText(n) → text3
  21. FractionText(n) → text6