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歡迎您訪問數學考題練習:由直線得到直線,那么直線應為!

數學考題練習:由直線得到直線,那么直線應為

更新時間:2024-01-12 14:09:22作者:貝語網校

由直線得到直線,那么直線應為

A.向上平移5個單位

B.向下平移5個單位

C.向上平移個單位

D.向下平移個單位

試題答案

D

試題解析

根據上加下減的法則進行判斷即可.

解答:由題意得:直線應為向下平移個單位.

故選D.

點評:本題考查圖形的平移變換和函數解析式之間的關系.在平面直角坐標系中,圖形的平移與圖形上某點的平移相同.平移中點的變化規律是:橫坐標左移加,右移減;縱坐標上移加,下移減.

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