In rectangular coordinate system xOy line y=-4/3x

高中 已帮助: 时间:2024-03-19 10:11:11

In rectangular coordinate system xOy, line y=-4/3x+4 intersects with x-ax is and y-ax is at point A and B, respectively. Rotate △AOB on point B 90 degrees clock wise to △A′O′B. Then the coordinate of the point A′ is ( )。
(A)(-3,1).
(B)(-2,5).
(C)(-4,1).
(D)(-4,3).
(英汉小词典:rotate旋转;clockwise顺时针方向地)

难度:⭐⭐⭐

题库:高中,数学

标签:英汉,词典,顺时针方向

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