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18-08-2016
Mathematics

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given the following quadratic find the discriminant. 2x^2 5x 9=0

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nobillionaireNobley nobillionaireNobley

26-08-2016

2x^2 + 5x + 9 = 0

a = 2, b = 5, c = 9

discriminant = b^2 - 4ac = 5^2 - (4 x 2 x 9) = 25 - 72 = -47

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