Centrale des maths - centraledesmaths.uregina.ca
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 Sujet: discriminant
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6 articles trouvés pour ce sujet.

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 The intersection of a curve and a line 2018-03-08 lola pose la question :find the set of values of constant C for which the line y=x+c intersects the curve y=2 square root x at, at two distinct pointsPenny Nom lui répond. The quadratic formula 2013-01-03 itsel pose la question :Find the discriminant ans use it to determine the use the quadratic formula to solve the equasion -2x^2+3x+2=0Penny Nom lui répond. The discriminant 2010-01-17 Sonjonnia pose la question :What is the value of the discriminant? 16x^=16x-4Penny Nom lui répond. Values of k for which k(x^2+2x+3) - 4x - 2 is never negative 2007-06-29 claire pose la question :Find the range of values of k for which k(x^2+2x+3) - 4x - 2 is never negative.Harley Weston lui répond. The roots of (x - k)(1-3x) + 1 = 0 2007-06-28 Claire pose la question :Show that the roots of (x - k)(1-3x) + 1=0 are real and distinct for all real values of k. Hence, or otherwise, find the range of 9sin^2 r - 6sin r + 13Harley Weston lui répond. Discriminant 2005-06-20 A student pose la question :If a quadratic has real root, its discriminant b2-4ac>=0 Is there any similar condition or method by which you can find whether roots of a cubic equation are real or not?Chris Fisher lui répond.

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