Question

if one zero of the quadratic polynomial
x²+3x+k is 2, then the value of k is;
a) 10
b)-10
c)5
d)-5
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Answer 1

Answer:

Correct option is

B

−10

2 is a zero of x

2

+3x+k.

Thus, (2)

2

+3(2)+k=0

k+10=0

k=−10

Answer 2

Answer:

ur answer is option no b dada