Question

WHAT IS THE VALUE OF K lf -2 is zero
of X 2 + 11x + k​

Answer 1

Answer:

18

Explanation:

f(x)= x² + 11x + k = 0

f(-2)= (-2)² + 11(-2) + k = 0

f(-2)= 4 - 22 + k = 0

f(-2)= -18 + k = 0

f(-2)= k = 18

So, k = 18

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