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