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Colin Gathright

Author:Colin Gathright

New Resources

  • The Geometry of the Coefficients of a Quadratic Function
  • Other Variations of Cosine
  • Sum of Squares: Proof without Words
  • Rule of Sarrus - Determinant of a 3×3 Matrix
  • Tracing an Ellipse Using Two Circles

Discover Resources

  • intersecting chord theorem
  • Transformation Discovery 1
  • Chalet Maman 3
  • Circles!
  • PF 2

Discover Topics

  • Median Value
  • Integral Calculus
  • Power Functions
  • Subtraction
  • Incircle or Inscribed Circle
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