問題詳情
8. 座標平面上有一函數 y = -3x2+12x - 7 的圖形，其頂點座標為何？
(A) ( 2, 5 )
(B) ( 2, -19)
(C) (-2, 5)
(D) (-2, -43 )
(A) ( 2, 5 )
(B) ( 2, -19)
(C) (-2, 5)
(D) (-2, -43 )
參考答案
無參考答案
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