名校
解题方法
1 . 已知椭圆标准方程为
,离心率为
且过点
,直线
与椭圆交于
、
两点且不过原点.
(1)求椭圆方程;
(2)若直线
、
、
的斜率依次成等比数列,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求椭圆方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆
:
的左、右焦点分别是
,
,上、下顶点分别是
,
,离心率
,短轴长为
.
(1)求椭圆
的标准方程;
(2)过
的直线
与椭圆
交于不同的两点
,
,若
,试求
内切圆的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/7816132cc32368353610953cf9e34eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ea1c3fe8431260ecb8dffcdae8d570.png)
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2021-03-23更新
|
2094次组卷
|
9卷引用:重庆市缙云教育联盟2022届高三上学期8月月度质量检测数学试题
重庆市缙云教育联盟2022届高三上学期8月月度质量检测数学试题甘肃省2021届高三第一次高考诊断文科数学试题(已下线)精做05 解析几何-备战2021年高考数学(文)大题精做广西南宁市第三中学2021届高三二模数学(文)试题广西南宁市第三中学2021届高三二模数学(理)试题(已下线)解密17 椭圆(分层训练)-【高频考点解密】2021年高考数学(文)二轮复习讲义+分层训练河北省衡水市冀州区第一中学2020-2021学年高二下学期期中数学试题(已下线)高二数学下学期期中全真模拟卷(2)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)四川省绵阳市南山中学实验学校2024届高三(补习班)上学期11月月考数学(理)试题
名校
解题方法
3 . 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E的方程;
(2)设
为
上异于
的动点,直线
与
轴交于点
,过
作
,交
轴于点
.试探究在
轴上是否存在一定点Q,使得
,若存在,求出点Q坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8114b652d8636d19893dbf94c69086fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b884d655f8a5f5d86c70efd4dc804a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0ed0b80bcc75bfd180b003b6c40f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80eaed4257dc101cc12a838803cfa7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求E的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bcb5fa1e96839d21f198ff1001a532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626c7c17994755f586132ef77978898b.png)
您最近一年使用:0次
2021-03-23更新
|
338次组卷
|
3卷引用:重庆市长寿中学2022-2023学年高三上学期12月月考数学试题
名校
4 . 过抛物线
:
的焦点作倾斜角为
的直线
交
于
、
两点,以
的准线上一点
为圆心作圆
经过
、
两点,则圆
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f5881bbc1643473cdbdd155178790b.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/ac047e91852b91af639feec23a9598b2.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/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-03-22更新
|
199次组卷
|
4卷引用:重庆市南开中学2021届高三下学期3月第五次质量检测数学试题
重庆市南开中学2021届高三下学期3月第五次质量检测数学试题广东省深圳市第七高级中学2022届高三上学期第一次月考数学试题(已下线)3.3.3直线与抛物线的位置关系(备作业)-【上好课】2021-2022学年高二数学同步备课系列(苏教版2019选择性必修第一册)(已下线)第06讲 抛物线的简单几何性质-【帮课堂】
名校
解题方法
5 . 已知椭圆
的左、右焦点分别为
,离心率为
,且点
在C上.
(1)求椭圆C的标准方程;
(2)设过
的直线l与C交于A,B两点,若
,求
.
![](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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc673966c48f3277b3f9437707b40470.png)
(1)求椭圆C的标准方程;
(2)设过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b947eaf4651269b636cd454736b78be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2021-03-22更新
|
1797次组卷
|
8卷引用:重庆市2021届高三下学期3月联考数学试题
名校
解题方法
6 . 设
是双曲线
的两个焦点,O为坐标原点,点
在C的左支上,且
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889c8c3f3b9cb28fad266824922cac6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6defbae48b22077a084ce7c942eb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.8 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
2021-03-22更新
|
1256次组卷
|
5卷引用:重庆市2021届高三下学期3月联考数学试题
重庆市2021届高三下学期3月联考数学试题河北省邯郸市2021届高三一模数学试题(已下线)押第11题 圆锥曲线-备战2021年高考数学(文)临考题号押题(全国卷2)辽宁省辽阳市2021届高三一模数学试题江西省景德镇一中2022-2023学年高二(重点班)上学期期中考试数学试题
名校
解题方法
7 . 在抛物线
上任取一点
(不为原点),
为抛物线的焦点,连接
并延长交抛物线于另一点
过
分别作准线的垂线,垂足分别为
记线段
的中点为
则
面积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0925a8681562ebfa9190b267e85099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315d97dd8f0e9b0b73a0adf28a23e507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d9774cbd534611a64bc5546ba45f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e68ab84c4719a40b2db42c92c3094c4.png)
您最近一年使用:0次
2021-03-15更新
|
720次组卷
|
3卷引用:重庆市黔江新华中学校2021届高三下学期3月月考数学试题
名校
8 . 已知抛物线
的准线为
,过抛物线上一点
向
轴作垂线,垂足恰好为抛物线
的焦点
,且
.
(Ⅰ)求抛物线
的方程;
(Ⅱ)设
与
轴的交点为
,过
轴上的一个定点
的直线
与抛物线
交于
两点.记直线
的斜率分别为
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/5a4b3bddd48155c1e3eec7a8aea61588.png)
(Ⅰ)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54eb01dd383cde273a69b863f96528e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7021efec959ee7f8c0405599e119b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-03-14更新
|
2549次组卷
|
11卷引用:重庆市杨家坪中学2023-2024学年高二上学期第三次月考数学试题
重庆市杨家坪中学2023-2024学年高二上学期第三次月考数学试题东北三省四市教研联合体2021届高考模拟考试文科数学试题(已下线)专题1.10 圆锥曲线-抛物线-2021年高考数学解答题挑战满分专项训练(新高考地区专用)(已下线)押第21题圆锥曲线-备战2021年高考数学临考题号押题(浙江专用)湖南省长沙市一中2021届高三下学期一模数学试题湖南省长郡、雅礼、一中、附中联合编审名校卷(全国卷)2021届高三月考数学理科试题(九)(已下线)3.3 抛物线-2021-2022学年高二数学链接教材精准变式练(苏教版2019选择性必修第一册)(已下线)专题3.9 抛物线的综合问题-2021年高考数学解答题挑战满分专项训练(新高考地区专用)河南省豫北名校联盟2022届高三第二次模拟考试文科数学试题第二章 平面解析几何章末检测(基础篇)3.3.1 抛物线的标准方程(同步练习提高篇)
名校
解题方法
9 . 已知椭圆C的中心在原点,焦点在x轴上,离心率为
,且椭圆C经过点
.
![](https://img.xkw.com/dksih/QBM/2021/3/9/2674212066484224/2675034446094336/STEM/65cc189e-e093-4082-8edb-fa8b5963ea89.png)
(1)求椭圆C的方程;
(2)设椭圆的上顶点为A,过点A作椭圆C的两条动弦
,
,若直线
,
斜率之积为
,直线
是否一定经过一定点?若经过,求出该定点坐标;若不经过,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ad4a60e2b50a820ec2044aa55f2472.png)
![](https://img.xkw.com/dksih/QBM/2021/3/9/2674212066484224/2675034446094336/STEM/65cc189e-e093-4082-8edb-fa8b5963ea89.png)
(1)求椭圆C的方程;
(2)设椭圆的上顶点为A,过点A作椭圆C的两条动弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2021-03-10更新
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635次组卷
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2卷引用:重庆市字水中学2020-2021学年高二上学期期末数学试题
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解题方法
10 . 平面内一动点D到直线
的距离比D到点
的距离小1,
(1)求动点D的轨迹C的方程;
(2)已知动直线l过点
,交轨迹C于A,B两点,坐标原点O为
的中点,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae045f9b7daebb9f15b8769575f62484.png)
(1)求动点D的轨迹C的方程;
(2)已知动直线l过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6bc1ce0bb051d00c6c75d51a845926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe2381b2935a320e50e12c573685206.png)
您最近一年使用:0次