1 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程
.
(1)求
和
的直角坐标方程;
(2)
,直线
与
交于
,
两点,其中
点在第一象限,求
点的极坐标及
点的极径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92302773d1f2e185954bc3e8cc510318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/18baf286c139692f7482b4f72dcf4447.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0ca9a39621967d7ba5629ea9b12d78.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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2024-03-16更新
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271次组卷
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2卷引用:四川省成都市石室中学2023-2024学年高一下学期开学考试数学(理科)试卷
名校
解题方法
2 . 已知点
是椭圆
上一点,且在
轴上方,
,
分别为椭圆的左、右焦点,直线
的斜率为
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54975582e2ef95954bb8dbd70373c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64945f76f91f91c368cd2053c3e4f9ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 已知椭圆
的左焦点为
,右顶点为A,点E的坐标为
,
的面积为
.
(1)求椭圆的离心率;
(2)设点Q在线段
上,
,延长线段
与椭圆交于点P,若
.
(ⅰ)求直线
的斜率;
(ⅱ)求椭圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04add41d4f548a8cca7e06703c8f2d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ef9a90c2b57dd9b1cf673f554113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6392a105a2ad40ad9183fbdf129b141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b903ce1eb753b6051724a7a29032ac.png)
(1)求椭圆的离心率;
(2)设点Q在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99666bb83b2da9fdb0311c104a99595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27be5042fd53f0c2993147f412660c8c.png)
(ⅰ)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
(ⅱ)求椭圆的方程.
您最近一年使用:0次
2022-05-29更新
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2332次组卷
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6卷引用:江苏省南京市中华中学2022-2023学年高二上学期9月学情检测数学试题
江苏省南京市中华中学2022-2023学年高二上学期9月学情检测数学试题天津市宝坻区第一中学2022届高三下学期二模数学试题(已下线)3.1.2 椭圆的几何性质(重点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)专题41 直线与圆锥曲线-3天津市咸水沽第一中学2023届高考押题卷(二)数学试题(已下线)模块三 专题5 大题分类练(解析几何)基础夯实练
名校
解题方法
4 . 如图,已知椭圆
,双曲线
,若以椭圆
的长轴为直径的圆与双曲线
的一条渐近线交于A,B两点,且椭圆
与该渐近线的两交点将线段AB三等分,则双曲线
的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1122fbce-7a6c-4b62-8543-bdbbbe1d5889.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c0e2dea2f22992b0f4e8400b13af18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64acf2cf103416ef9fdfbd01933f39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1122fbce-7a6c-4b62-8543-bdbbbe1d5889.png?resizew=190)
A.9 | B.5 | C.![]() | D.3 |
您最近一年使用:0次
2022-02-13更新
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361次组卷
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2卷引用:广西容县高级中学2021-2022学年高二下学期开学考试数学(理)试题
名校
解题方法
5 . 已知椭圆
,离心率为
,点
在椭圆C上.
(1)求椭圆
的标准方程;
(2)若
,
,过
直线
交椭圆
于
、
两点,且直线
倾斜角为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9516547543b94ce0dd9b7a496d94dc.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19e695795d6c124955e2c6ec0b46056.png)
您最近一年使用:0次
2021-07-22更新
|
1520次组卷
|
7卷引用:2021年秋季高三数学开学摸底考试卷01(新高考专用)
(已下线)2021年秋季高三数学开学摸底考试卷01(新高考专用)福建省南安第一中学2021届高三二模数学试题(已下线)专题15 《圆锥曲线的方程》综合测试卷--《2021--2022高二上学期数学新教材配套提升训练(人教A版2019选择性必修第一册)》(已下线)专题13 圆锥曲线-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)2020年高考全国3数学文高考真题变式题21-23题(已下线)解密14 圆锥曲线(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(浙江专用)(已下线)模块三 专题5 大题分类练(解析几何)基础夯实练
名校
6 . 已知椭圆
的离心率为
,点
,
分别为其左、右焦点,点
,
分别为其左、右顶点,点
为椭圆上不与
,
重合的动点,且
面积的最大值为
.
(1)求椭圆
的方程;
(2)分别过点
,
作直线
于点
,
于点
,设
与
相交于点
,求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/52fde8816a1ec10961e7f447aa6b172a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)分别过点
![](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/bc6a9bcbe28c5b5a56f204ebdd37005a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237c0a9e6e1aab936df74faf3691ddcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2021-02-03更新
|
472次组卷
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3卷引用:安徽省池州市东至县第二中学2020-2021学年高二下学期开年考数学(文)试题
名校
7 . 设椭圆
的左、右焦点分别为
,下顶点为
为坐标原点,点
到直线
的距离为
为等腰三角形.
(1)求椭圆
的标准方程;
(2)若倾斜角为
的直线经过椭圆
的右焦点
,且与椭圆
交于
两点(
点在
点的上方)求线段
与
的长度之比.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4411b37e8ed03b1841906af3bf912f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5b3deb40e1e862b975c47322e061e7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若倾斜角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a12a030f853a383a50fd889486c9f42.png)
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解题方法
8 . 已知椭圆
的离心率为
,短轴长为4.椭圆与直线
相交于
、
两点.
(1)求椭圆的方程;
(2)求弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb223b8777ab973970491bf0dcc6806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求椭圆的方程;
(2)求弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
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2020-05-31更新
|
870次组卷
|
5卷引用:四川省南充市阆中中学校2021-2022学年高二下学期开学考试数学(文)试题