名校
1 . 已知双曲线
的左右两个顶点是
,
,曲线
上的动点
关于
轴对称,直线
与
交于点
,
(1)求动点
的轨迹
的方程;
(2)点
,轨迹
上的点
满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0017262e45089093f70001cae2c60257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec18c028746b73be7503ff6ff458a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d788effd0a2da0d4c629945e33a1407a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2473d1cb6c913de7819cd224751b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2017-04-17更新
|
1366次组卷
|
2卷引用:2017届河南省豫南九校(中原名校)高三下学期质量考评八数学(文)试卷
解题方法
2 . 已知双曲线
的左、右顶点分别为
,动直线
:
与圆
相切,且与双曲线左、右两支的交点分别为
.
![](https://img.xkw.com/dksih/QBM/2016/3/16/1572540860719104/1572540866248704/STEM/4485c3be1ae840c5bafe1e42eb1e896b.png?resizew=219)
(1)求
的取值范围,并求
的最小值;
(2)记直
的斜率为
,直线
的斜率为
,那么
是定值吗?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e453fda86a168d28478bd9772bee9d93.png)
![](https://img.xkw.com/dksih/QBM/2016/3/16/1572540860719104/1572540866248704/STEM/4485c3be1ae840c5bafe1e42eb1e896b.png?resizew=219)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c54705d32dc6820f1a90eec2225dcf.png)
(2)记直
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68634c2c23d016c50668fbfc198e3dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e460dd0fa7a3ce2fb223b69ca5a0a279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
您最近一年使用:0次
2016-12-04更新
|
260次组卷
|
2卷引用:2015-2016学年河南省许昌高中等校高二下第一次联考理科数学试卷
12-13高二上·黑龙江大庆·期末
名校
解题方法
3 . 若不论
为何值,直线
与曲线
总有公共点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2bc1426ca1e971abcf4f28a701c37fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
239次组卷
|
8卷引用:2015-2016学年河南三门峡市陕州中学高二上第二次对抗赛理科数学卷
2015-2016学年河南三门峡市陕州中学高二上第二次对抗赛理科数学卷2015-2016学年河南三门峡市陕州中学高二上第二次对抗赛文科数学卷四川省双流中学2017-2018学年高二4月月考数学(理)试题(已下线)2011—2012学年度黑龙江大庆实验中学高二上学期期末考试理科数学试卷(已下线)《高频考点解密》—解密22 直线与圆锥曲线的位置关系(已下线)解密20 直线与圆锥曲线的位置关系-备战2018年高考文科数学之高频考点解密沪教版(2020) 选修第一册 高效课堂 第二章 2.3 双曲线(3)人教B版(2019) 选修第一册 北京名校同步练习册 第二章 平面解析几何初步 2.8直线与圆锥曲线的位置关系(一)