問題詳情
16.某二次函數的圖形經過平移後會與y=3x2的圖形疊合,且其對稱軸為x=-2,又通過點 (-1 , 9),求此二次函數?
(A) y=-3( x-2)2+
(B) y=3( x+2 )2+6
(C) y=-4( x-3)2+11
(D) y=4( x-6 )2-11
(A) y=-3( x-2)2+
(B) y=3( x+2 )2+6
(C) y=-4( x-3)2+11
(D) y=4( x-6 )2-11
參考答案
答案:B
難度:計算中-1
書單:沒有書單,新增
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