01-06-2018
Mathematics

contestada

Select the quadratic that has roots x=8 and x=-5 a x^2 + 3x -40
B x^2-3x-40
C x^2 + 13x +40
Dx^2-13x+40

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Luv2Teach Luv2Teach

01-06-2018

If x = 8, then the factor is (x - 8); likewise, if x = -5, then the factor is (x + 5). FOIL those together and get B

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