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1.設直角坐標平面上兩點 ,且 ,試求x之值(A)x=5或-1 (B)x=6或-4 (C)x=12或-9 (D)x=-3或10。
問題詳情
1.設直角坐標平面上兩點
,且
,試求x之值
(A)x=5或-1
(B)x=6或-4
(C)x=12或-9
(D)x=-3或10。
參考答案
答案:B
難度:
計算中
-1
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用户評論
【用戶】
Jiunndar Yeh
【年級】幼稚園下
【評論內容】線段AB長 = √{(x - 1)2 + [(-3) - 9]2} ...
【用戶】
Jiunndar Yeh
【年級】幼兒園下
【評論內容】線段AB長 = √{(x - 1)2 + [(-3) - 9]2} ...
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