問題詳情
8.在坐標平面上,方程式 y=3x2-的圖形交 x 軸於 A、A' 兩點,方程式 y=3(x-2)2-5的圖形交 x 軸於 B、B' 兩點,方程式 y=-3(x+5)2+的圖形交 x 軸於 C、C' 兩點,試比較 、
、
的大小關係?
(A) >
>
(B) <
<
(C) >
>
(D) <
<
。
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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