不等式-x2-5x+6≥0的解集为( ) A.{x|x≤-6或x≥1} B.{x

题型:选择题

问题:

不等式-x2-5x+6≥0的解集为(  )

A.{x|x≤-6或x≥1}

B.{x|x≥6或x≤-1}

C.{x|-6≤x≤1}

D.{x|-1≤x≤6}

考点:一元二次不等式及其解法
题型:选择题

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