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Complex Roots Made Visible

by Benjamin Lotto (University of California, Berkeley) and Alec Norton (University of California, Berkeley)

This article originally appeared in:
The College Mathematics Journal
June, 1984

Subject classification(s): Algebra and Number Theory | Algebra
Applicable Course(s): 2.1 College Algebra

A simple, natural way to geometrically read off the complex roots of a real quadratic equation

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