19-20高三上·江苏南通·阶段练习
1 . 在平面直角坐标系
中,椭圆
的一条准线方程为
,右焦点
,圆
,直线
与圆
相切于第一象限内的点
且与椭圆相交于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/af96a084-f5be-4ed7-b445-7567fc2f683e.png?resizew=194)
(1)求椭圆
的标准方程;
(2)若
的面积为
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150193befc6ea4a027990c5cf216351e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/af96a084-f5be-4ed7-b445-7567fc2f683e.png?resizew=194)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf116c552e0441e49c9845a63e26391c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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19-20高二上·江苏·阶段练习
名校
2 . 已知
分别是椭圆
的左、右焦点,过
且不与
轴垂直的动直线
与椭圆交于
两点,点
是椭圆
右准线上一点,连结
,当点
为右准线与
轴交点时,有
.
(1)求椭圆
的离心率;
(2)当点
的坐标为
时,求直线
与直线
的斜率之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833fb9b3ad298dcc9ccd2e576663654b.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8858389f4c3156a946ba8bf0d8a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6a3389636c499fb100a6f53449b2dd.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80991c1f0c963104740e50cfff6f29a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
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2019-11-06更新
|
789次组卷
|
4卷引用:江苏省如皋市2019-2020学年度高二年级上学期教学质量调研(一)数学试题
(已下线)江苏省如皋市2019-2020学年度高二年级上学期教学质量调研(一)数学试题江苏省泰州中学2019-2020学年高二上学期期中考试数学试题江西省上饶市横峰中学2020-2021学年高二下学期第一次月考数学(文)试题江苏省南通市平潮高级高中2020-2021学年高二上学期12月学情检测数学试题
名校
3 . 已知椭圆C:
的左右顶点为A、B,右焦点为F,一条准线方程是
,短轴一端点与两焦点构成等边三角形,点P、Q为椭圆C上异于A、B的两点,点R为PQ的中点
求椭圆C的标准方程;
直线PB交直线
于点M,记直线PA的斜率为
,直线FM的斜率为
,求证:
为定值;
若
,求直线AR的斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4f17848c072b51e80d427d486e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0946998fbba120ffe4d6d12e8f48e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d2b01f86fb5a373af6b089cf3d891b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8bee6b3110b5c8a00bd313f7dcdbdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cd9ca0d884a615f35acf79b944df54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7390546756c4919eac7cd0e08c07086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc0afdac7f9fd5536aaf93c41afb30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/0ece98c4-45a2-44f7-8039-4560ed166949.png?resizew=206)
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4 . 已知椭圆C:
的离心率是
,右准线是
,下顶点D,点
,过点E的直线
斜率存在
交椭圆C于A、B两点
在B的左侧
.
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091540557987840/2093791174688768/STEM/eacf2842d2b64379a119194c9c0973c0.png?resizew=203)
求椭圆C标准方程;
求证:
的大小为定值;
若
的外接圆M与椭圆C在A处有相同的切线,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4f17848c072b51e80d427d486e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78c38805c09dcfbcc42103308975a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eeb127770467c6634fcf72994599da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f221ce8215f8d5879828e0eefcac618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d2820e8cba29ff9c4b978d7b52f4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c46bc3b28da6a92897a0a54d52550d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091540557987840/2093791174688768/STEM/eacf2842d2b64379a119194c9c0973c0.png?resizew=203)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f988ce0ee0d4a66595774619ddcd0838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb961bd7db3adb76af2d4cedb611bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb961bd7db3adb76af2d4cedb611bd7.png)
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解题方法
5 . 已知椭圆
的方程:
,右准线
方程为
,右焦点
为椭圆的左顶点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/80ad5c02-f5e4-491b-95d5-fb79cc1151f4.png?resizew=206)
(1)求椭圆
的方程;
(2)设点
为椭圆在
轴上方一点,点
在右准线上且满足
且
,求直线
的方程.
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ee6969d1dba8a4c34e2a2b49cdc642.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/80ad5c02-f5e4-491b-95d5-fb79cc1151f4.png?resizew=206)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc51d69d5d751f11f8158ea43b1f0abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93872dcaa61a80126f63b49f915958e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
您最近一年使用:0次
2018-03-06更新
|
831次组卷
|
2卷引用:江苏省南京师范大学附属中学、天一、海门、淮阴四校2018届高三联考数学调研测试试题
2014高三·全国·专题练习
解题方法
6 . 已知椭圆
的离心率
,一条准线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97356e39d3f3831685c0f58ac3363f07.png)
⑴求椭圆
的方程;
⑵设
为椭圆
上的两个动点,
为坐标原点,且
.
①当直线
的倾斜角为
时,求
的面积;
②是否存在以原点
为圆心的定圆,使得该定圆始终与直线
相切?若存在,请求出该定圆方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234e7679481ec0d01c915b7fbb71891d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97356e39d3f3831685c0f58ac3363f07.png)
⑴求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
⑵设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f067a2a348ceb24a408f82992eab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b3fa41635da8da11d6c04287ff7513.png)
①当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8857e34aed7a1e429eeccc2928a7bfe8.png)
②是否存在以原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
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2016-12-02更新
|
2205次组卷
|
3卷引用:2014届高考数学总复习考点引领+技巧点拨第九章第11课时练习卷
11-12高二·江苏盐城·期末
解题方法
7 . 已知椭圆的两焦点为
,
,直线x = 4是椭圆的一条准线.
(1)求椭圆方程;
(2)设点P在椭圆上,且
,求cos∠F1PF2的值;
(3)设P
是椭圆内一点,在椭圆上求一点Q,使得
最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
(1)求椭圆方程;
(2)设点P在椭圆上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e8fc6d3b97b4020af8a979c90691e7.png)
(3)设P
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461d7c9510f0cd34115560268e06da80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5801d945eb5d6459294ead34fcc32c16.png)
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10-11高二下·河北石家庄·期中
解题方法
8 . 已知椭圆的一个焦点为
,对应的准线方程为
,且离心率
满足:
成等差数列
![](https://img.xkw.com/dksih/QBM/2011/5/12/1570194653110272/1570194658435072/STEM/3b803398bafd466fa8e5422c9676742e.png?resizew=308)
(1)求椭圆
方程;
(2)如图,抛物线
的一段与椭圆
的一段围成封闭图形,点
在
轴上,又A,B两点分别在抛物线及椭圆上,且
轴,求
的周长
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12d67e2f66fae5a75df10f0e79b1d9a.png)
![](https://img.xkw.com/dksih/QBM/2011/5/12/1570194653110272/1570194658435072/STEM/3b803398bafd466fa8e5422c9676742e.png?resizew=308)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcb94c4a46f48f243f98768a5ee34a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307d80faaf253cedb782efd4c14072c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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