点(2,3)关于坐标原点对称的点的坐标是
A: (-2,3)
B: (-2,-3)
C: (2,-3)
D: (3,2)
A: (-2,3)
B: (-2,-3)
C: (2,-3)
D: (3,2)
B
举一反三
- 在平面直角坐标系中,点(2,3)关于原点对称的点的坐标是( )() A: (-2,<br/>3) B: (-2,-3) C: (-3,-2) D: (2,-3)
- 平面直角坐标系中点P(-3,2)关于原点对称的坐标是( ) A: (3,-2) B: (2,3) C: (-2,-3) D: (2,-3)
- 已知点A(-2,3),点A关于坐标原点的对称点B的坐标为 A: (-2,3) B: (2,-3) C: (0,0) D: (-2,-3)
- 点M(2,-3,1)关于坐标原点对称的点是( ) A: (-2,3,-1) B: (-2,-3,-1) C: (2,-3,-1) D: (-2,3,1)
- 1、点(1,2,3)关于原点对称的点的坐标为( ) A: (-1,2,3) B: (-1,-2,3) C: (1,-2,-3) D: (-1,-2,-3)
内容
- 0
点(2,-3)关于原点对称的坐标为( ) A: (2 ,-3) B: (2 ,3) C: (-2 ,3) D: (-2 ,-3)
- 1
点(1, 2, 3)关于坐标原点O对称的点的坐标为( ) A: (-1, -2, -3) B: (-1, -2, 3) C: (1, 2, -3) D: (1, 2, 3)
- 2
点M(2,−3,1)关于坐标原点o及平面xoy的对称点分别是 A: (−2,3,−1)及(2,3,1) B: (−2,3,−1)及(2,−3,−1) C: (2,−3,−1)及(−2,−3,−1) D: (−2,−3,−1)及(2,−3,−1)
- 3
点M(2, 1, 3)关于坐标原点的对称点坐标是() A: (-2, -1, -3) B: (-2, 1, -3) C: (2, -1, -3) D: (-2, 1, 3)
- 4
(3分)在平面直角坐标系中,点(3,﹣2)关于原点对称的点是( ) A: (﹣3,2) B: (﹣3,﹣2) C: (3,﹣2) D: (3,2)