The Discriminant of a Quadratic: YOU DON’T NEED IT! (Tanton Mathematics)
http://www.youtube.com/watch?v=4IVoIuMsK0A
Publisher, TANTON Mathematics, Video, YouTube
In this video Dr James Tanton explains how one need not know “b^2-4ac” to answer those dreary algebra questions.
2 January 2012 Edit: 22 November 2014
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- Publisher, TANTON Mathematics, Video, YouTube
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