1. If one zero of the quadratic polynomial x2 + 3x + kis
2, then the value of k is
(a) 10
(b) -10
(c) -7
(d) -2
Answers
Answered by
2
Answer:
substitute the value of k in given polynomial
x²+3x+k
2²+6+k=0
k= -10
Answered by
4
Answer:
The value of k is -10
F(x)=2x+3x+k=0
F(x)=2x2+3×2+k=0
= 4+6+k=0
= 10+k=0
= k = -10
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