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(—1,2) (-1,-2) (1,-2) (2,-1)
(1,2) (2,2) (3,2) (4,2)
(1,-2)关于x轴对称的点的坐标是( ) A.(1,-2) (-1,2) (-1,-2) (1,2)
(1,-2) (-1,-2) (-1,2) (2,-1)
(1,2) (-1,2) (1,-2) (-1,-2)
(1,2) (1,-2) (-1,2) (-1,-2)
(1,2)关于x轴对称的点的坐标是 A.(1,2) (1,-2) (-1,2) (-1,-2)
(1,2) (2,2) (3,2) (4,2)
(-1,2) (1,-2) (2,-1) (-1,-2).
:(-1,-2) :(-1,2) :(1,-2) :(2,-1)
(1,-2)关于X.轴对称的点的坐标是( ) A.(1,-2) (-1,2) (-1,-2) (1,2)
(-1,-2); (1,2); (-1,2); (-2,1)。
(1,﹣2) (﹣1,2) (﹣1,﹣2) (1,2)
(-1,-2) (-1,2) (1,-2) (2,-1)
(3,2) (3,2) (3,2) (3,2)
(—1,2) (-1,-2) (1,-2) (2,-1)
(﹣1,2) (1,﹣2) (1,2) (﹣1,﹣2)
(-1,2)与点 (-1,-2)关于( ) A.y轴对称B.x轴对称 原点对称 直线y=x对称