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(-1,0)和 (1,2),连接AB,平移线段AB得到线段A.1B.1.若点A.的对应点A.1的坐标为(2,-1),则点B.的对应点B.1的坐标为【 】 A.(4,3)B.(4,1) (-2,3) (-2,1)
(1,2)绕点P.(﹣1,1)顺时针旋转90°到点A.′处,则点的坐标为( ) A.(﹣2,3) (0,﹣1) (1,0) (﹣3,0)
(3,2) (2,﹣3) (﹣2,3) (﹣2,﹣3)
(-2,3) (-1,2) (0,4) (4,4)
(2,3) (—2,3) (—2,—3) (—3,2)
(3,2) (2,﹣3) (﹣2,3) (﹣2,﹣3)
(2,-3) (2,3) (3,-2) (-2,-3)
(﹣2,﹣3) (3,﹣2) (2,3) (2,﹣3)
(2,﹣3) (2,3) (﹣2,﹣3) (﹣2,3)
(-2,-3) (2,-3) (-2,3) (2,3)
(-2,1)向左平移2个单位到点Q.,则点Q.的坐标为( ) A.(-2,3) (0,1) (-4,1) (-4,-1)
(-2,6) (-2,0) (-5,3) (1,3)
(-2,3) (4,-5) (1,0) (-8,-1)
(﹣2,3)关于y轴对称的点A.′的坐标是( ) A.(-2,6) (2,3) (-2,-3) (2,-3)