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Quadratic Compass

Author:Andrew Stacey
This shows the method of solving a quadratic using a ruler-and-compass construction. Drag the point "A" around on the screen to modify the quadratic and thus its roots.

New Resources

  • Parabolas, Lines and Nomograms
  • Function Art 3D - Flower
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • רישום חופשי
  • Function art 3D - waiting shed (v2)

Discover Resources

  • Circle Theorem 7: Exterior Angles Cyclic Quadrilaterals
  • Locus 7: Equidistant from a fixed point and a straight line
  • Kopi av Probability: Selecting Balls
  • traces of... differences
  • Mysterious rotating circles with colors

Discover Topics

  • Plane Figures or Shapes
  • Stochastic Process or Random Process
  • Geometry
  • Upper and Lower Sum or Riemann Sum
  • Ratios
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