名校
解题方法
1 . 已知椭圆
过点
,椭圆
的右焦点与点
所在直线的斜率为
.
(1)求椭圆
的方程;
(2)若过
的直线
与椭圆
交于
两点,点
.直线
分别交椭圆
于点
,直线
的斜率是否为定值?若是,求出该定值,若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88f14545575c13da4756796eeb68391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f01dce7eba07d42df77ec61d750e975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f9e8606d59d14a5926f542c79c54ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/a8ab5087f6efabdb02eb8a6aee47acb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2024-03-21更新
|
607次组卷
|
2卷引用:江西省赣州市2024届高三下学期年3月摸底考试数学试题
2 . 设点
是椭圆
上任意一点,过点
作椭圆的切线,与椭圆
交于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ace6602b-ed9b-4579-a1ec-98d61a6294b3.png?resizew=155)
(1)求证:
;
(2)
的面积是否为定值?若是,求出这个定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f036026cd92e9ad059c3f22a7658638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e91e565e14d96a20169db44fcde58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ace6602b-ed9b-4579-a1ec-98d61a6294b3.png?resizew=155)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b0bec6e780130fbed900fdb153555d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2024-02-05更新
|
1466次组卷
|
6卷引用:江西省赣州市南康中学2024届高三“九省联考”考后模拟训练数学试题(一)
23-24高二·全国·假期作业
名校
解题方法
3 . 已知点的坐标分别是
,
,直线
相交于点M,且它们的斜率之积为
.
(1)求点M轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e00bf73d03dded1cf5f83cc5339361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f239a35de1828b14a58be5bd5af9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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名校
解题方法
4 . 已知斜率为1的直线
与椭圆
:
交于
,
两点,线段
的中点为
.
(1)求
的离心率;
(2)设
的左焦点为
,若
,求过
,
,
三点的圆的方程.
![](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/5df90497fae2eee9c7c8e7ce3c180d46.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaec9652b2fbd376b9f5eb133b5a6227.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f55eaa7313bcbb555d50b206408ff4c.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/a0ed1ec316bc54c37c4286c208f55667.png)
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2024-01-12更新
|
821次组卷
|
2卷引用:江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(八)
解题方法
5 . 已知椭圆C:
的左、右焦点分别为
,
,
为坐标原点,点P为椭圆上的一点满足
,
.
(1)求椭圆C的标准方程;
(2)设椭圆C的左、右顶点分别为A,B,过
作一条斜率不为零的直线与椭圆C分别交于M,N两点,直线
,
与y轴的交点分别为
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58bf330265a12b49cd3b59c5ac8b0921.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dfa5aecba1b9264a8349a578680002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca718725d2c591847026d34fedabf8a3.png)
(1)求椭圆C的标准方程;
(2)设椭圆C的左、右顶点分别为A,B,过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5905cfcc5af4b01d63237486eb6d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b68e560c565770dd6d3928eee3628fa.png)
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2023-12-22更新
|
79次组卷
|
2卷引用:江西省赣州市大余县部分学校2024届高三上学期12月统一调研测试数学试题
名校
解题方法
6 . 已知椭圆C:
经过点
,且与椭圆
有共同的焦点.
(1)求椭圆C的标准方程;
(2)设直线
与椭圆C交于A,B两点,与y轴交于点P,O为坐标原点.若
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4972fccdb3557e51fa6e878788aa90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f5514d07d82b742d3ba0f2fa61f7b8a.png)
(1)求椭圆C的标准方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ff433de24b8b7e13d45c08bde94e42.png)
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2023-08-04更新
|
412次组卷
|
3卷引用:江西省赣州市兴国县2023届高三高考考前最后一卷(全国乙卷)数学(理)试题
名校
解题方法
7 . 已知
的两顶点坐标
.
(1)求动点
的轨迹
的方程;
(2)不垂直于
轴的动直线
与轨迹
相交于
两点,定点
,若直线
关于
轴对称,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6ba809e0492f485fdaee0478e2c588.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)不垂直于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378f90fe1e622bab7a8fb2ccdc0c11cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
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2023-06-20更新
|
363次组卷
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5卷引用:江西省赣州市六校联盟2022-2023学年高二下学期5月联合测评数学试题
江西省赣州市六校联盟2022-2023学年高二下学期5月联合测评数学试题(已下线)第10讲 拓展四:圆锥曲线的方程(面积问题)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)(已下线)第01讲 3.1.1椭圆及其标准方程(3)(已下线)河北省石家庄市河北省实验中学2024届高三上学期名校联考数学试题变式题19-22江西省南昌市铁路第一中学2023-2024学年高二上学期12月月考数学试卷
8 . 在平面直角坐标系
中,
,
,点
为平面内的动点,且满足
,
.
(1)求
的值,并求出点
的轨迹
的方程;
(2)过
作直线
与
交于
、
两点,
关于原点
的对称点为点
,直线
与直线
的交点为
.当直线
的斜率和直线
的斜率的倒数之和的绝对值取得值最小值时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9d55173f26afdf0e37462b556a605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d6f746c2355072d914591bf60c3801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb328a35ae67195cba3dbcde8a762304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87db5ecafa3593109b68f876c509c6dd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfe1cad1ce47339827ac5047af4647d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75fee3cad5e661a4a9a87183e51a52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
解题方法
9 . 已知椭圆:
的左、右顶点分别为
,上、下顶点分别为
,
,四边形
的周长为
.
(1)求椭圆E的方程;
(2)设斜率为k的直线l与x轴交于点P,与椭圆E交于不同的两点M,N,点M关于y轴的对称点为
、直线
与y轴交于点Q.若
的面积为2,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba43f5ee49eb42aa67d6edcc4511b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e5d91f4f631c580c155eba8c92bda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee05b3210c8964deef8ff771173d288.png)
(1)求椭圆E的方程;
(2)设斜率为k的直线l与x轴交于点P,与椭圆E交于不同的两点M,N,点M关于y轴的对称点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e8ac27d63ade4077fdcf7cf136cf71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
您最近一年使用:0次
2023-04-04更新
|
1898次组卷
|
6卷引用:江西省赣州市2023届高三模考押题卷(二)数学试题
解题方法
10 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆C的方程;
(2)设
,直线l与椭圆C交于
两点,且
,当
(O为坐标原点)的面积S最大时,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968bc863acdb4f2b0cba33157363e711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2be66f2db81be8458112f08440fb2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a711b601b52e4116fc5e8e7d2949e1.png)
(1)求椭圆C的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d5cb8f01ef5b264f417a557cf37203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe37b51fc219fed2b6677f606c9e3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57a903e71f33cd762a04c53414c5308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6fe88426a42b18d78b885d9bc7737d.png)
您最近一年使用:0次