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

Rolling an Equilateral Triangle
bewijs stelling van Pythagoras
Angle Addition: Warm Up Exercises
Viviani's Curve
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

Math 8
Points
problem 39 Jan 2016 NYS Algebra 2 Regents
การบวกจำนวนเต็ม
pythagoras theorem

Discover Topics

Percentages
Difference and Slope
Arithmetic Operations
Multiplication
Planes