If -4is a zero of the polynomial p (x) =x^2+11x+k then find k

1.	If -4is a zero of the polynomial p (x) =x^2+11x+k then find k
Answer» p (x) =x2+11x+kPut x = -4p(-4) = (-4)2 + 11(-4) + k16 - 44 + k = 0-28 + k = 0k = 28

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