29-04-2021
Mathematics

contestada

write a quadratic equation in the form x^2+bx+c=0 that has the following roots: {-7,6}

Respuesta :

rikkibella rikkibella

30-04-2021

Answer:

f(x) = x^2 -12x + 85

reverse engineer this, like Prof. Sheldon Cooper figuring out Howard's card trick

x=6+or - 7i

x-6 = + or - 7i

square both sides

(x-6)^2 = -49

x^2 -12x + 36 = -49

x^2 -12 + 85

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