Question

For what value of k, (–4) is a zero of the polynomial x^2 – x – (2k + 2)?
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Answer 1

Answer:

k = 9

Step-by-step explanation:

Since (-4) is zero of polynomial

f(x) =x^2 - x - (2k+2)

so, f(-4) =0 = 16+4-(2k+2)

0= 20-(2k+2)

2k =20-2

2k = 18

k = 9

Answer 2

Answer:

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