問題詳情
13. 用配方法將y=-2x2+12x+1化成y=-2(x+h)2+k的形式,求h+k=?
(A)-20
(B)21
(C) 16
(D) -15
(A)-20
(B)21
(C) 16
(D) -15
參考答案
答案:C
難度:計算中-1
書單:沒有書單,新增
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