if -4 is a zero of the polynomial p(x)=x^2 + 11x + k, find the value of k
Answers
Answered by
3
On putting the value of x = -4,
we get,
k = 28 as the answer
we get,
k = 28 as the answer
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Answered by
2
Given :
P(x) = x²+11x+k
To Find:
Value of k
Solution :
Given that -4 is the zero of polynomial p(x)
Putting x = -4
p(x) = x²+11x+k
p(-4) = (-4)²+11(-4)+k
16-44+k = 0
-28+k = 0
k = 28
P(x) = x²+11x+k
To Find:
Value of k
Solution :
Given that -4 is the zero of polynomial p(x)
Putting x = -4
p(x) = x²+11x+k
p(-4) = (-4)²+11(-4)+k
16-44+k = 0
-28+k = 0
k = 28
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