名校
解题方法
1 . 已知椭圆
过点
,离心率为
.
(1)求椭圆
的方程;
(2)已知
的下顶点为
,不过
的直线
与
交于点
,线段
的中点为
,若
,试问直线
是否经过定点?若经过定点,请求出定点坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](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/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12413217a6f54bf536289cdf9205b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-11-16更新
|
1233次组卷
|
11卷引用:专题03 椭圆13种常见考法归类(3)
(已下线)专题03 椭圆13种常见考法归类(3)江西省大联考2023-2024学年高二上学期11月期中教学质量检测数学试题辽宁省本溪市第一中学2023-2024学年高二上学期11月期中考试数学试题山西省朔州市怀仁市第一中学校2023-2024学年高二上学期期中考试数学试题江西省鹰潭市贵溪一中2023-2024学年高二上学期第二次月考数学试题河北省邯郸市五校2023-2024学年高二上学期二调考试(12月)数学试题四川省绵阳市南山中学实验学校2023-2024学年高二上学期期末模拟数学试题(一)河北省沧州市部分学校2023-2024学年高二上学期12月月考数学试题重庆市第七中学校2023-2024学年高二上学期期末模拟数学试题河南省焦作市宇华实验学校2023-2024学年高二上学期期末拓展数学试题(已下线)微考点6-3 圆锥曲线中的定点定值问题(三大题型)
名校
解题方法
2 . 已知动圆
与圆
外切,与圆
内切.
(1)求动圆圆心
的轨迹方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29ce785cda7b46834b242ab449970b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ba2e07b44e44f909e2afff0ea2b914.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
您最近一年使用:0次
2023-11-15更新
|
369次组卷
|
2卷引用:江苏省常州市联盟学校2023-2024学年高二上学期期中调研数学试题
解题方法
3 . 已知椭圆
:
的右焦点为
,离心率为
.
(1)求
的方程.
(2)若
,
为
上的两个动点,
,
两点的纵坐标的乘积大于0,
,
,且
.证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7b07ace87ed58fdc1f1bc78a04aeda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad3a4d8eb0a4f3dd417124a19f60066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343a7ab6571ec674d8ec3dd5492fccaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4f96905656ca8f1849ab44f804e5ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-11-13更新
|
692次组卷
|
3卷引用:江苏省苏州星海实验高级中学2023-2024学年高二上学期12月月考数学试题
名校
解题方法
4 . (1)求焦点在
轴上,离心率为
,短轴长为
的椭圆的标准方程;
(2)求经过点
,且渐近线方程为
的双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(2)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13f28d079c2d6e6622df37e4cf13424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
您最近一年使用:0次
2023-11-09更新
|
724次组卷
|
2卷引用:江苏省常州市溧阳市2023-2024学年高二上学期11月阶段性调研(期中)数学试题
名校
5 . 在平面直角坐标系xoy中,已知
,圆C:
与x轴交于O ,B.
(1)证明:在x轴上存在异于点A的定点
,使得对于圆C上任一点P,都有
为定值;
(2)点M为圆C上位于x轴上方的任一点,过(1)中的点
作垂直于x轴的直线l,直线OM与l交于点N,直线AN与直线MB交于点R,求证:点R在椭圆上运动.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6316e0e6da742e9b035d8f2cc91a4dd.png)
(1)证明:在x轴上存在异于点A的定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7383714dc2ac9fe164e26a4d1bbd0c.png)
(2)点M为圆C上位于x轴上方的任一点,过(1)中的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
您最近一年使用:0次
名校
解题方法
6 . 已知椭圆
:
过点
,离心率为
,斜率不为零的直线
过右焦点
交椭圆于
两点.
(1)求椭圆
的方程;
(2)在
轴上是否存在定点
,使得
,如果存在,求出
点坐标,如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bb1cc975cc0debfebf4ab2cd11fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8959342a793f5fd1d0f31715c163f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df20f013269f09e7b9e2ebf2ecd38a6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
名校
解题方法
7 . 以两条坐标轴为对称轴的椭圆
过点
和
,直线
与椭圆
相交于
两点,
为线段
的中点.
(1)求椭圆
的方程;
(2)若点
的坐标为
,求直线
的方程;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a818c7b7f571f7173feb9b73424d5ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076bbdaae62f862cd7b55c623fdf3393.png)
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0d0283b2ee13b3ea73c5935386f1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
8 . 已知椭圆
的离心率为
,椭圆上的点到焦点的最小距离是
.
(1)求椭圆
的方程;
(2)倾斜角为
的直线
交椭圆于
两点,已知
,求直线
的一般式方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9563540452712a60d70f76cf22a868c9.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)倾斜角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac78dc8a66231ba93fde5a4f2937ab9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-10-17更新
|
2312次组卷
|
5卷引用:江苏省镇江市句容碧桂园学校2023-2024学年高二上学期期中数学试题
解题方法
9 . 求解下列各题:
的图象是双曲线,两条坐标轴是它的渐近线,求它的实半轴长和半焦距;
(2)求与
具有相同的焦距,焦点在
轴上且过点
的椭圆的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
(2)求与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f0bebb4cada94325018a8ed9109598.png)
您最近一年使用:0次
解题方法
10 . 已知椭圆C的中心在原点,对称轴为坐标轴,且过点
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fc12a328d2b452795c494e0a4b4b3c.png)
(1)求椭圆C的标准方程;
(2)求直线
和椭圆C的公共点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fc12a328d2b452795c494e0a4b4b3c.png)
(1)求椭圆C的标准方程;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45db7d729af41f3ad2caf4c4e1b224d3.png)
您最近一年使用:0次