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Slope-Intercept Form Demo by Mark Beckwith

Slope-Intercept Form Demo by Mark Beckwith
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2016-06-29 21:56
VectorFunctionCoordinate GeometryGraphing
This example demonstrates the relationship between the equation of a line graphed in the coordinate plane, its slope, and its intercept. Key math concepts include slope-intercept form, line graph, slope, and y-intercept. It is constructed using GeoGebra commands/objects like Point, Line, Intersect, FractionText, Polygon, Vector, Length, Distance. Suitable for middle school and above students learning analytical geometry and understanding the geometric meaning of linear equations.

GeoGebra Commands & Parameters

  1. Point(a) → A
  2. Line(A, B) → b
  3. Intersect(c, d) → C
  4. FractionText(Slope[b]) → text1
  5. Polygon(A, C, B) → poly1, b_1, a_1, c_1
  6. Vector(A, C) → u
  7. Vector(C, B) → v
  8. Length(u) → f
  9. Distance(A, C) → distanceAC
  10. Distance(C, B) → distanceCB