Given that f(x)=x^2+kx and f(2)=0,,
find the value of k.
f(x)=x^2+kx ,,and f(2)=0,,,wt is k?
2008-10-22 3:16 am
回答 (2)
2008-10-22 3:24 am
✔ 最佳答案
f(x)=x^2+kxf(2)=0
then,
f(2)=2^2+k(2)=0
4+2k=0
2k=-4
k=-2
2008-10-22 3:37 am
Given that f(x)=x^2+kx and f(2)=0,,
find the value of k.
f(x)=x²+kx
f(2)=4+2k=0
= 2k =-4
= k =-2
find the value of k.
f(x)=x²+kx
f(2)=4+2k=0
= 2k =-4
= k =-2
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https://hk.answers.yahoo.com/question/index?qid=20081021000051KK01455