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[多选题]
□ABCD的对角线的交点在坐标原点,且AD平行于x轴,若A点坐标为(-1,2),则C点的坐标为()
A.(1,-2)
B.(2,-1)
C.(1,-3)
D.(2,-3)
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
(A)(1-2)
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.(1,-2)
B.(2,-1)
C.(1,-3)
D.(2,-3)
(A)(1-2)
已知双曲线的中心在原点,焦点在x轴上,离心率等于3,并且经过点(-3,8)
求:(I)双曲线的标准方程;
(Ⅱ)双曲线的焦点坐标和准线方程。
A.5m
B.2m
C.0
D.-2m
E.-5m
A.10
B.11
C.12
D.13