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Quandaries & Queries
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 Topic: real roots
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4 items are filed under this topic.

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 A quadratic with no real roots 2013-07-15 From Pranav:If ax^2+bx-5=0 has no real roots. Then d sign of 1) a+b-5 2) (25a-5b-5)(4a+2b-5) will be what ??Answered by Penny Nom. How many times does the graph of y=2xsquared -2x + 3 intersect the x-axis? 2009-05-27 From Henry:how many times does the graph of y=2xsquared -2x + 3 intersect the x-axis?Answered by Penny Nom. The positive real zeros of f(x) = x^4 + x^3 - 7x - 1 2008-06-06 From CiCi:How many positive real zeros does the function f(x) = x4 + x3 - 7x - 1 have?Answered by Janice Cotcher and Harley Weston. Complex Roots 2000-01-24 From Jess Rutherford:How do I find the value of k when 5x2 + k = 3x and has complex roots ? Answered by Penny Nom.

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