Question

If -4 is a zero of the polynomial x2 + 10x+
2k . Find k
​

Answer 1

Answer:

given, x is zero of the polynomial

p(x) = x2 + 10x +2k

p(-4) = 0

p(-4) = -4^2 + 10*-4 +2k

16-40+2k = 0

-24+2k = 0

2k = 24

k = 12

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Answer 2

Given,x is the 0 of the polynomial