6 articles trouvés pour ce sujet.
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The intersection of a curve and a line |
2018-03-08 |
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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 points Penny Nom lui répond. |
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The quadratic formula |
2013-01-03 |
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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=0 Penny Nom lui répond. |
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The discriminant |
2010-01-17 |
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Sonjonnia pose la question : What is the value of the discriminant?
16x^=16x-4 Penny Nom lui répond. |
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Values of k for which k(x^2+2x+3) - 4x - 2 is never negative |
2007-06-29 |
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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. |
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The roots of (x - k)(1-3x) + 1 = 0 |
2007-06-28 |
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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 + 13 Harley Weston lui répond. |
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Discriminant |
2005-06-20 |
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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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