如图,点A的坐标为(-1,2),点A关于y轴的对称点的坐标为()
A: (1,2)
B: (-1,-2)
C: (1,-2)
D: (2,-1)
A: (1,2)
B: (-1,-2)
C: (1,-2)
D: (2,-1)
举一反三
- 点(1,-1,2)关于y轴的对称点的坐标是( ). A: (1,1,-2) B: (-1,-1,2) C: (1,1,2) D: (-1,-1,-2)
- 点(2,1)关于直线y=x的对称点的坐标为() A: (-1,2) B: (1,2) C: (-1,-2) D: (1,-2)
- 点(-1,2)关于原点的对称点坐标是() A: (-1,-2) B: (1,-2) C: (1,2) D: (2,-1)
- 点(1,-2)关于原点的对称点的坐标是() A: (1,2) B: (-1,2) C: (-1,-2) D: (1,-2)
- 点(-1,2,3)关于y轴的对称点的坐标是______ A: (1,-2,-3) B: (-1,-2,-3) C: (1,2,-3) D: (1,-2,3)