Wolfram Demonstrations Project

This Demonstration gives a geometric solution of the quadratic equation

; the roots

and

are shown on the

axis as red points.

Reference

[1] J. H. Conway and R. K. Guy, The Book of Numbers, New York: Copernicus Books/Springer, 2006 pp. 192–193.

Contributed by: Izidor Hafner

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Geometric Solution of a Quadratic Equation