1 . 已知
,
,对于平面内一动点
,
轴于点M,且
,
,
成等比数列.
(1)求点P的轨迹C的方程;
(2)已知过点A的直线l与C交于M,N两点,若
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c7d3228dfa69da4a312af3ca036a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbd97467518d309bffa46df98f3fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c2f99ac2b6bc91b983628b68a5cd0d.png)
(1)求点P的轨迹C的方程;
(2)已知过点A的直线l与C交于M,N两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e7c1ef675a7203b78fe9265948ed54.png)
您最近一年使用:0次
名校
2 . 已知椭圆
的左,右焦点分别为
,
,上顶点为
,且
.
(1)求
的离心率;
(2)射线
与
交于点
,且
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be0160e528ddd1d2a7f20ad378879c6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082ed765c7e1162e6fb1d6bdf547afe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
您最近一年使用:0次
2024-03-14更新
|
1464次组卷
|
2卷引用:河南省开封市2024届高三下学期第二次质量检测数学试题
解题方法
3 . 已知离心率为
的椭圆
与拋物线
有共同的焦点
是椭圆
上任意一点,且
的最小值是1.
(1)求椭圆
和抛物线
的方程;
(2)过点
的直线
与椭圆
相交于
两点,与抛物线
相交于
两点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e48d1edbfb6a5a48f9a95551d1dbc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c9c87eba774f6bc072663d32d11fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f65aac02c041bc5e55cb91f90f94f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac654a052f98d1ccb7fede1f122cec3.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b0a7d30a538e00546a6625d20baaad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
4 . 已知点
是双曲线
上一点,则点
到双曲线
的两条渐近线的距离之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835813a0a10b333051ffc6b45e4347c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知点
是离心率为2的双曲线
上的三点,直线
的斜率分别是
,点
分别是线段
的中点,
为坐标原点,直线
的斜率分别是
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcf744dceb18820e4a1ca354cb3cfe1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce5d2e7f7ed678e14e2c1d1297cef34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942e6dafcfcbf0682856b9f25178694d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1726d463bd741c904abd9b6589056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942e6dafcfcbf0682856b9f25178694d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e8ebdbd58b757fc18d53f7a57348ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9025c0d32f94373105c73ff3f80c6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8a96ae139699a6032c76f5026ee2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcf744dceb18820e4a1ca354cb3cfe1.png)
您最近一年使用:0次
解题方法
6 . 已知椭圆
与直线
相交于两个不同的点
,点
为线段
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8ba78658831f9fce13aafa1d93973.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)
A.![]() | B.![]() ![]() |
C.弦长![]() ![]() | D.点![]() ![]() |
您最近一年使用:0次
解题方法
7 . 已知椭圆
,F为右焦点,A为右顶点,B为上顶点,
.
(1)求C的离心率e;
(2)已知MN为C的一条过原点的弦(M,N不同于点A).
(ⅰ)求证:直线AM,AN的斜率之积为定值,并求出该值;
(ⅱ)若直线AM,AN与y轴分别交于点D,E,且△ADE面积的最小值为
,求椭圆C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93e065b3576b3cd585c5fe8410ebfe4.png)
(1)求C的离心率e;
(2)已知MN为C的一条过原点的弦(M,N不同于点A).
(ⅰ)求证:直线AM,AN的斜率之积为定值,并求出该值;
(ⅱ)若直线AM,AN与y轴分别交于点D,E,且△ADE面积的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2024-01-25更新
|
82次组卷
|
2卷引用:河南省开封市2023-2024学年高二上学期期末调研考试数学试卷
8 . 已知双曲线
的左、右焦点分别为
,
,垂直于
轴的直线
经过
且与双曲线交于
、
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8957543c6705325966fb3d14ef016e73.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c4f0f345262589806eba13ededd02b.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8957543c6705325966fb3d14ef016e73.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,已知动圆M过定点
且与y轴相切,点F关于圆心M的对称点为
,点
的轨迹为H.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/8766cf93-dafd-446c-8032-fc8e5ba147a5.jpg?resizew=140)
(1)求曲线H的方程;
(2)一条直线
经过点F,且交曲线H于A,B两点,点C为直线
上的动点.求证:
不可能是钝角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/8766cf93-dafd-446c-8032-fc8e5ba147a5.jpg?resizew=140)
(1)求曲线H的方程;
(2)一条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c84057882768f20a01365c81b6760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
您最近一年使用:0次
10 . 已知直线
与椭圆
在第一象限交于
,
两点,
为线段
的中点,
为坐标原点,直线
,
的斜率之积为
.
(1)求椭圆
的离心率;
(2)若直线
与
轴,
轴分别相交于
,
两点,且
,
,求椭圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96ba2c38cef25705983dc451e2cd512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求椭圆
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f388849984ec83a3add6d96fd3eed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baeb4de7664c194d10373d23e9852d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-12-13更新
|
1392次组卷
|
7卷引用:河南省开封市2024届高三第一次模拟考试数学试卷
河南省开封市2024届高三第一次模拟考试数学试卷江西省上饶市广丰一中2023-2024学年高二上学期12月月考数学试题(已下线)模块三 专题6 大题分类练(圆锥曲线)拔高能力练 期末终极研习室(高二人教A版)(已下线)模块五 专题3 期末全真模拟(能力卷1)高二期末西藏拉萨市部分学校2023-2024学年高二上学期期末模拟数学试题(理科)(已下线)专题03 圆锥曲线的方程(3)(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-1