名校
解题方法
1 . 已知椭圆
与椭圆
有相同的离心率,椭圆
焦点在y轴上且经过点
.
(1)求椭圆
的标准方程:
(2)设A为椭圆
的上顶点,经过原点的直线
交椭圆于
干P,Q,直线AP、AQ与椭圆
的另一个交点分别为点M和N,若
与
的面积分别为
和
,求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0ad41722598d9fd00138a0f781b5df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38620d68461307e424923b903ab518f7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设A为椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2023-11-11更新
|
1365次组卷
|
7卷引用:浙江省浙东北联盟(ZDB)2023-2024学年高二上学期期中数学试题
名校
解题方法
2 . 椭圆
:
的右焦点是
,且经过点
;直线
与椭圆
交于
,
两点,以
为直径的圆过原点.
(1)求椭圆
的方程;
(2)若过原点的直线
与椭圆
交于
,
两点,且
,求四边形
面积的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b824fdaeee6bc440b02afe1f9c49740b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc899dac7a2bf6112ca7d7d474eaff7.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/25/b093a036-7b9b-4149-b8f7-129fad47f864.png?resizew=210)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4505274d92786998381d3dc7ecc5d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
您最近一年使用:0次
2023-09-25更新
|
553次组卷
|
4卷引用:浙江省宁波市五校联盟2022-2023学年高二上学期期中联考数学试题
浙江省宁波市五校联盟2022-2023学年高二上学期期中联考数学试题浙江省杭州市绿城育华学校2023-2024学年高二上学期期中数学试题福建省三明市五县2023-2024学年高二上学期期中联合质检考试数学试题(已下线)第3章 圆锥曲线与方程章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第一册)
名校
解题方法
3 . 已知椭圆
经过点
,其左焦点为
.
(1)求椭圆C的标准方程;
(2)椭圆C的右顶点为A,若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
,证明:直线PQ过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e454c7161999e2a67138869f59d319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4a7482cb81b34df5a11807b8136a8.png)
(1)求椭圆C的标准方程;
(2)椭圆C的右顶点为A,若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8930e9a26a52a6b09740c1dddbd40e.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
,过动点
的直线
交
轴于点
,交椭圆于点
,
(点
在第一象限),且
是线段
的中点,过点
作
轴的垂线交椭圆于另一点
,延长
交椭圆于点
.点
在椭圆上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/0f5699bd-42d6-48a2-a285-4943dbc4767a.png?resizew=247)
(1)求椭圆的焦距;
(2)设直线
的斜率为
,直线
的斜率为
,证明:
为定值;
(3)求直线
斜率的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a032dd225bdd793172220c494c2054e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cef02426ce3fc90f682e5842601d389.png)
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6435f8aebf11d942f45fd02acbb5802d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/0f5699bd-42d6-48a2-a285-4943dbc4767a.png?resizew=247)
(1)求椭圆的焦距;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e08d5c04f0431fb57b33a01717b599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ded6dbecb802a8a296e767c4b41ea4.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
过点
,且以长轴和短轴为对角线的四边形面积为
.
(1)求
的方程;
(2)已知椭圆
,在椭圆
上任取三点
,是否存在
使得
与椭圆
相切于三角形三边的中点,若存在,求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846b4323617e523c17011dd8ade8765a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a87a333250e5f79b2db9491fdb0bca.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d713c95fc7a6cad74df7fabdccd2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28855a0db693584aabac1df99dfade3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-09-03更新
|
642次组卷
|
2卷引用:浙江省杭州学军中学2022-2023学年高二上学期期中模拟数学试题
名校
解题方法
6 . 已知椭圆
的离心率为
,且过点
.点P到抛物线
的准线的距离为
.
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974092124045312/2974184443641856/STEM/ffad07bf-e32d-4c04-a449-c329475cf6e5.png?resizew=253)
(1)求椭圆
和抛物线
的方程;
(2)如图过抛物线
的焦点F作斜率为
的直线交抛物线
于A,B两点(点A在x轴下方),直线
交椭圆
于另一点Q.记
,
的面积分别记为
,当
恰好平分
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a216c108cb54c2b3845ac7dce1ed10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa064dbdaf8490286f9efc0eaca84ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974092124045312/2974184443641856/STEM/ffad07bf-e32d-4c04-a449-c329475cf6e5.png?resizew=253)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)如图过抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893d4e8d70ea2c716ac7b6c1777a77f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3cb38717cb66499ca5ab21875da13c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2578b9b66df3cb080f572564c87ad60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2022-05-07更新
|
1686次组卷
|
9卷引用:浙江省绍兴市第一中学2023-2024学年高二上学期期中数学试题
7 . 已知椭圆
的焦距为2,O为坐标原点,F为右焦点,点
在椭圆上.
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849610704109568/2850558674870272/STEM/63f3130f-025e-401b-bdd5-0f60845c2a87.png?resizew=276)
(1)求椭圆的标准方程;
(2)若直线l的方程为
,AB是椭圆上与坐标轴不平行的一条弦,M为弦的中点,直线MO交l于点P,过点O与AB平行的直线交/于点Q,直线PF交直线OQ于点R,直线QF交直线MO于点S.
①证明:O,S,F,R四点共圆;
②记△QRF的面积为
,△QSO的面积为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca480b220f3a3bce0753c2865f47000e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9d59d1d95dde445499c772a86207fc.png)
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849610704109568/2850558674870272/STEM/63f3130f-025e-401b-bdd5-0f60845c2a87.png?resizew=276)
(1)求椭圆的标准方程;
(2)若直线l的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
①证明:O,S,F,R四点共圆;
②记△QRF的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2021-11-13更新
|
1320次组卷
|
4卷引用:浙江省温州市环大罗山联盟2021-2022学年高二上学期期中联考数学试题
浙江省温州市环大罗山联盟2021-2022学年高二上学期期中联考数学试题浙江省“七彩阳光”新高考研究联盟2021-2022学年高二上学期期中联考数学试题 (已下线)第46讲 解析几何中的四点共圆问题-2022年新高考数学二轮专题突破精练(已下线)第五篇 向量与几何 专题10 圆锥曲线中的四点共圆问题 微点1 圆锥曲线中的四点共圆问题(一)
名校
8 . 某高速公路隧道设计为单向三车道,每条车道宽4米,要求通行车辆限高5米,隧道全长
千米,隧道的断面轮廓线近似地看成半个椭圆形状
如图所示
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/86bafded-6579-4b7b-b40d-b17028175fea.png?resizew=181)
(1)若最大拱高h为6米,则隧道设计的拱宽l至少是多少米?
(2)如何设计拱高h和拱宽l,才能使半个椭圆形隧道的土方工程量最小?
参考数据:椭圆的面积公式为
,其中a、b分别为椭圆的长半轴和短半轴长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8f58755aee89fb2cf72ba518dcee2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/86bafded-6579-4b7b-b40d-b17028175fea.png?resizew=181)
(1)若最大拱高h为6米,则隧道设计的拱宽l至少是多少米?
(2)如何设计拱高h和拱宽l,才能使半个椭圆形隧道的土方工程量最小?
参考数据:椭圆的面积公式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f7b8963e6121ed76aca58a33796d20.png)
您最近一年使用:0次
2021-08-17更新
|
193次组卷
|
9卷引用:浙江省温州市乐清市知临中学2022-2023学年高二上学期11月期中数学试题
浙江省温州市乐清市知临中学2022-2023学年高二上学期11月期中数学试题江苏省南通市如东县2021-2022学年高二上学期期中数学试题(已下线)高二上学期期中【易错60题考点专练】(选修一全部内容)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)广东省佛山市2019-2020学年高二上学期期末数学试题(已下线)人教B版2019选择性必修第一册综合测试(基础过关)-2020-2021学年高二数学单元测试定心卷(人教B版2019选择性必修第一册)江苏省扬州市高邮中学2020-2021学年高二上学期11月阶段测试数学试题(已下线)专题3.3 椭圆的简单几何性质-重难点题型精讲-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题03 椭圆13种常见考法归类(2)北京市丰台区怡海中学2023-2024学年高二上学期期末模拟练习数学试题(2)
名校
解题方法
9 . 已知椭圆
的一个焦点为
,且经过点
,A,B是椭圆上两点,
.
(1)求椭圆方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff1c07d3ab5f594be5fffe13ebaaccb.png)
(1)求椭圆方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace585d3cc2e113a0927cdf9e56756a.png)
您最近一年使用:0次
2020-11-29更新
|
659次组卷
|
3卷引用:浙江省绍兴市诸暨中学2020-2021学年高二(实验班)上学期期中数学试题
2014·北京朝阳·一模
名校
解题方法
10 . 已知椭圆
经过点
,离心率为
.
(
)求椭圆
的方程.
(
)直线
与椭圆
交于A,
两点,点
是椭圆
的右顶点.直线
与直线
分别与
轴交于点
,
两点,试问在
轴上是否存在一个定点
使得
?若是,求出定点
坐标;若不是,说明理由.
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(
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(
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您最近一年使用:0次
2016-12-02更新
|
1783次组卷
|
4卷引用:2015届浙江省金华市艾青中学高三上学期期中考试理科数学试卷
2015届浙江省金华市艾青中学高三上学期期中考试理科数学试卷(已下线)2014届北京市朝阳区高三第一次综合练习理科数学试卷北京市北大附中2017-2018年高二期末考试数学(理)试题【全国百强校】北京市第二中学2017-2018学年高二上学期期末考试数学(理)试题