Question

13)
Sum = 3 + 2 = 5
For what value of k, (-4) is a zero of the polynomial x2 - x - (2k + 2)?
Ans: p(x) = x2 - x - (2k + 2)
but p(-4) = 0
:: p(-4) = 16+ 4 - 2k - 2
0 = -2k + 18
2k = 18
2
:: k = 9
how to Do step by step ​

Answer 1

Answer:

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

but p(-4) = 0

:: p(-4) = 16+ 4 - 2k - 2

0 = -2k + 18

2k = 18

:: k =9

Answer 2

Answer:

YES GOOD YOUR STEPS ARE RIGHT AND YOUR ANSWER ALSO. KEEP IT UP BRO.

Step-by-step explanation:

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