空间点A(1,-2, -3)关于yoz平面的对称点为( )
A: (1,2, 3)
B: (1,2, -3)
C: (-1,-2, -3)
D: (0,-2, -3)
A: (1,2, 3)
B: (1,2, -3)
C: (-1,-2, -3)
D: (0,-2, -3)
举一反三
- 点(1,2,3)关于原点的对称点坐标为( ). A: (1,-2,-3) B: (-1,-2,-3) C: (-1,2,-3) D: (1,2,3)
- 点M(1,2,3)关于坐标平面xoy的对称点是( ) A: (1,2,-3) B: (1,-2,3) C: (-1,2,-3) D: (1,-2,-3)
- 点M(2,<br/>3, −1)关于坐标面yoz的对称点分别是((_______)). A: (2,3,1) B: (−2, 3,−1) C: (−2,−3,−1) D: (2,−3,−1)
- 点(1,−2,3)关于xoy平面、ox轴及坐标原点的对称点分别为(<br/>) A: (1,−2,−3),(1,2,−3)及(−1,2,−3) B: (1,−2,−3),(−1,−2,3)及(−1,2,−3) C: (−1,2,3),(−1,−2,3)及(1,−2,3) D: (−1,2,3),(−1,−2,3)及(−1,2,−3)
- 在空间直角坐标系中,点P(-1,2,-3)关于Oyz坐标面的对称点是______ A: (1,-2,3) B: (1,2,-3) C: (-1,2,3) D: (-1,-2,-3)