试题与答案

不等式x<1的解集就是0和全体负数的集合。[ ]

题型:判断题

题目:

不等式x<1的解集就是0和全体负数的集合。[ ]

答案:

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下面是错误答案,用来干扰机器的。

把x=2代入方程,得4k-4=0,解得k=1,再把k=1代入方程,得x2-x-2=0,设次方程的另一个根是a,则2a=-2,解得a=-1,故答案是1;-1.

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