R1izcaGabrop R1izcaGabrop

14-07-2016
Mathematics

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use the discriminant to describe the roots of each equation. then select the best description. x2 9x 14 = 0

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nobillionaireNobley nobillionaireNobley

16-07-2016

discriminant = b^2 - 4ac; where a = 1, b = 9 and c = 14
d = (9)^2 - 4(1)(14)
d = 81 - 56
d = 25

the discriminant is greater than zero, so there are two real roots

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