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Illustrator for 1-Variable Inequalities

Illustrator for 1-Variable Inequalities
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2016-09-23 22:56
Coordinate GeometryInequalityGraphing
In collections Solving Inequalities
This example illustrates the graphical representation of 1-variable inequalities. Key mathematical concepts include inequalities and their representation on the number line. Dynamic drawing of inequality solutions is achieved using GeoGebra commands such as Random, Segment, and Point. Suitable for middle school and above students to learn about inequalities and their solutions.

GeoGebra Commands & Parameters

  1. Random(-10, 10) → a
  2. Segment((-10, 1), (10, 1)) → h
  3. Point(h) → A
  4. Random(1, 4) → e
  5. Random(0, 1) → r
  6. DynamicCoordinates(A, round(x(A)), 1) → B
  7. Vector((x(B) + 0.4, 1), (11, 1)) → u
  8. Vector((x(B) - 0.4, 1), (-11, 1)) → v