已知双曲线
的右焦点为
,虚轴长为
.
(1)求双曲线
的方程;
(2)若直线
与双曲线
交于
两点,且线段
的中点为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422d6b950e56c9222444b3d4e742f739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
22-23高二上·陕西咸阳·阶段练习 查看更多[4]
陕西省咸阳市实验中学 2022-2023学年高二上学期第三次月考数学(文)试题江西省南昌市2023-2024学年高二上学期期末模拟数学试题(已下线)专题03 圆锥曲线的方程(2)(已下线)专题03 圆锥曲线题型全归纳(九大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)
更新时间:2023-12-20 20:56:13
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【推荐1】已知双曲线C:的焦距为4,且过点
.
(1)求双曲线方程和其渐近线方程;
(2)若直线与双曲线C有且只有一个公共点,求实数
的取值范围.
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(0.65)
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【推荐2】设圆
与圆
,动圆C与圆
外切,与圆
内切.
(1)求动圆C的圆心轨迹L的方程;
(2)已知点
,P为L上动点,求
最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c3305d6e09dafcd39ca4f38feb0c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ecdd0419df9296aa42e144af6f5864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求动圆C的圆心轨迹L的方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f26cd7b2afcd3f700cbffe61b604de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b570a4881f03ae8c483815a83fecf8d6.png)
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【推荐1】中心在原点的双曲线
焦点在
轴上且焦距为
,请从下面3个条件中选择1个补全条件,并完成后面问题:
①该曲线经过点
;
②该曲线的渐近线与圆
相切;
③点
在该双曲线上,
、
为该双曲线的焦点,当点
的纵坐标为
时,恰好
.
(1)求双曲线
的标准方程;
(2)过定点
能否作直线
,使
与此双曲线相交于
、
两点,且
是弦
的中点?若存在,求出
的方程;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
①该曲线经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b2cc0d2f6d3eee9a33db83e0c0830d.png)
②该曲线的渐近线与圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b914a9efeef04a78831004379bbb7292.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355dffb42861f3e297694f4be77c694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c81d490c018a166d9970b1b5ea0a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】双曲线
的离心率为2,经过C的焦点垂直于x轴的直线被C所截得的弦长为12.
(1)求C的方程;
(2)设A,B是C上两点,线段AB的中点为
,求直线AB的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
(1)求C的方程;
(2)设A,B是C上两点,线段AB的中点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e15e9463940aba61072e91e49b94f2.png)
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