Question

5. If one of the zeros of the polynomial p(x)=x2-x+kis 2 then the value of k is
A) 2
B)-2
C) -6
D) 6
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Answer 1

Answer:

-2

Step-by-step explanation:

2 is a zero of p(x)

i.e. p(2)=0

i.e. 2^2-2+k=0

i.e. 4-2+k=0

i.e. k=-2