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Discriminant

The discriminant of the polynomial expression MATH is the number MATH

The type of curve determined by the quadratic equation depends on the sign of the discriminant. In nondegenerate cases, the quadratic equation gives MATHwhere a circle is considered as a special case of an ellipse. The degenerate cases give a pair of lines, a line, or a point, or they have imaginary solutions.


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Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.

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