問題詳情
11. 座標平面上有一點 A，且 A 點到 x 軸的距離為 3，A 點到 y 軸的距離恰為到x 軸距離的 3 倍。若 A 點在第二象限，則 A 點座標為何？
(A) (-9, 3)
(B) (-3, 1)
(C) (-3, 9)
(D) (-1, 3)
(A) (-9, 3)
(B) (-3, 1)
(C) (-3, 9)
(D) (-1, 3)
參考答案
無參考答案
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