Question

if -4 is zeroes of polynomial x2-x-{2+2k}

Answer 1

Hey friend!!

Good evening..

Here is ur answer..

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Answer 2

Hey there!

Given f(x) = x² - x - (2+2k)

Also, -4 is a zero of polynomial.

So f(-4) = 0

=> f(-4) = (-4)²- (-4) - (2+2k) = 0

=> 16 + 4 - 2 - 2k = 0

=> 18 -2k = 0

=> 18 = 2k

=> k = 18/2

=> k = 9
Therefore , Value of k is 9 .