名校
解题方法
1 . 抛物线
的焦点为
,点
为该抛物线上的动点,又点
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f11e72fb74a6774a726fd59f42220c6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-12更新
|
751次组卷
|
11卷引用:江苏省南通市如东高级中学、栟茶中学等四校2019-2020学年高二上学期期中数学试题
江苏省南通市如东高级中学、栟茶中学等四校2019-2020学年高二上学期期中数学试题2019届陕西省渭南市高三第二次教学质量检测数学(理)试题2019届陕西省渭南市高三第二次教学质量检测数学(文)试题2016届上海市浦东新区高三4月高考模拟(二模)数学试题上海市高桥中学2022届高三上学期9月月考数学试题北京名校2023届高三二轮复习 专题五 解析几何 第2讲 圆锥曲线(已下线)上海市华东师范大学第二附属中学2022-2023学年高二下学期期末数学试题北京市朝阳区北京中学2023-2024高二上学期12月月考数学试题北京市海淀区中关村中学2024届高三上学期12月月考数学试题(已下线)模块二 专题2 解析几何中最值问题河南省信阳市新县高级中学2023届高三第一轮适应性考试(二)数学(理科)试题
名校
2 . 已知椭圆
的离心率为
,右准线方程为
.
![](https://img.xkw.com/dksih/QBM/2021/7/11/2762011246452736/2762172619005952/STEM/bbd6aacf-0fa6-414e-8dee-ace8b1f87254.png?resizew=271)
(1)求椭圆
的标准方程;
(2)过椭圆的右焦点
作斜率为
的直线
与椭圆
交于
、
两点,
为右准线与
轴的交点,记直线
的斜率为
,直线
的斜率为
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c778e409fe63e187a09444bc888e8f3.png)
![](https://img.xkw.com/dksih/QBM/2021/7/11/2762011246452736/2762172619005952/STEM/bbd6aacf-0fa6-414e-8dee-ace8b1f87254.png?resizew=271)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆的右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2a6a6f47f48b15e980dab36fd36671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,已知四棱锥
的底面是菱形,对角线
,
交于点
,
,
,
,
底面
,设点
满足
.
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442972162203648/2443665956724736/STEM/05ae41ba23a548d9b3901fb533e4333d.png?resizew=174)
(1)若
,求二面角
的大小;
(2)若直线
与平面
所成角的正弦值
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f561a36cc4c9293d8a63ee4e1a7146b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e2857963e3ea3578e9a13638c3a2c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02672185596d0be60de9e2e93afb59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75ff968fd0709d072c7a4b7000a411e4.png)
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442972162203648/2443665956724736/STEM/05ae41ba23a548d9b3901fb533e4333d.png?resizew=174)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e9ac46aabe38e5ea1a8cb0febc98af.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83fb9ac8a18e78a4c56da79514b5ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-04-17更新
|
1290次组卷
|
5卷引用:江苏省扬州市高邮市2018-2019学年高二下学期期中数学(理)试题
江苏省扬州市高邮市2018-2019学年高二下学期期中数学(理)试题江苏省镇江市扬中市第二高级中学2020-2021学年高三上学期初检测数学试题重庆市暨华中学2020-2021学年高二上学期第二次月考数学试题辽宁省抚顺市抚顺县高级中学校2021-2022学年高二上学期10月月考数学试题(已下线)专题4.1 第一、二章(空间向量与立体几何、直线和圆的方程)阶段检测-【满分计划】2021-2022学年高二数学阶段性复习测试卷(人教A版2019选择性必修第一册)
名校
4 . 点M是棱长为6的正方体
的内切球O球面上的动点,点N为
上一点,
,
,则动点M运动路线的长度为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/94e4d7c5-02e7-40de-8889-02056c927bcc.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f23a20779cbf15d4300ffc69f27f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e54038fa9518fc9a3aa2cb97a74196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3515d2d64577cae922236ed8e2ccd39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d3505c92b870c0dea9d9e8575f7523.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/94e4d7c5-02e7-40de-8889-02056c927bcc.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知双曲线C的方程是:
(
,
),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
A.当![]() ![]() |
B.过双曲线C右焦点F的直线与双曲线只有一个交点的直线有且只有2条; |
C.过双曲线C右焦点F的直线与双曲线右支交于M,N两点,则此时线段![]() |
D.双曲线C与双曲线:![]() ![]() ![]() |
您最近一年使用:0次
解题方法
6 . 在平面直角坐标系
中,点
,过动点
作直线
的垂线,垂足为
,且
.记动点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
的直线
交曲线
于不同的两点
,
.
①若
为线段
的中点,求直线
的方程;
②设
关于
轴的对称点为
,求
面积
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f9f60c8240c956ef340ca4b9ee8c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
②设
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f8f01137e92c0f2e63467036ae9cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2020-04-06更新
|
785次组卷
|
3卷引用:江苏省南京市2019-2020学年高二上学期期中数学试题
7 . 平面直角坐标系
中,椭圆C:
(
)左,右焦点分别为
,
,且椭圆的长轴长为
,右准线方程为
.
(1)求椭圆C的方程;
(2)设直线l过椭圆C的右焦点
,且与椭圆相交与A,B(与左右顶点不重合)
(i)椭圆的右顶点为M,设
的斜率为
,
的斜率为
,求
的值;
(ii)若椭圆上存在一点D满足
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82fe25db889399bb3ca4ffd5dd5db84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff1e33966ff01e4a394b42a3c65a400.png)
(1)求椭圆C的方程;
(2)设直线l过椭圆C的右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
(i)椭圆的右顶点为M,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2562424a83aae7e4b3f8adf90307961a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b58edb637c5dfa03794f3952de9d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bb6eabffd165f9580e9dcaaace3a89.png)
(ii)若椭圆上存在一点D满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2738e9e0593d33af7d7177c50e0036a.png)
您最近一年使用:0次
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解题方法
8 . 设椭圆
的左右焦点分别为
,
,焦距为
,点
在椭圆的内部,点P是椭圆上的动点,且
恒成立,则椭圆的离心率的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82fe25db889399bb3ca4ffd5dd5db84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501daf0a108d8d7a7a36cf54dedf200a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a75d36d6aea9e5d37ff8001a368e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e82018b4636ee48dfc7921a590017a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知椭圆E:
(
)的离心率是
,
,
分别为椭圆E的左右顶点,B为上顶点,
的面积为2.直线l过点
且与椭圆E交于P,Q两点(P,Q异于
,
)
(1)求椭圆E的标准方程;
(2)求
的面积最大值;
(3)设直线
与直线
的斜率分别为
,
,求证:
为常数,并求出这个常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f737029b90a384c2b48973b84bfe74b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d776a89f4fd29dccffe1040069d59ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
(1)求椭圆E的标准方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45b8b000c9c286bff8a480dbf03b513.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e935bb9d7b7115429edbd1e7469af65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
您最近一年使用:0次
2020-03-25更新
|
311次组卷
|
2卷引用:江苏省南通市海门中学2019-2020学年高二上学期期中数学试题
解题方法
10 . 如图,在平面直角坐标系
中,已知椭圆
的离心率为
且右焦点
到右准线
的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/70259ee7-4ec3-4123-a11c-872e850294ec.png?resizew=159)
(1)求椭圆
的标准方程:
(2)过点
的直线与椭圆
交于
两点,与
交于点
是弦
的中点,直线
与
交于点
.若
与
的面积之比是
,求
的长度.
![](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/8d5989c84e320b504511f23eeb6e7357.png)
![](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/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/70259ee7-4ec3-4123-a11c-872e850294ec.png?resizew=159)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0664a68104a5370205d9d0a80d8862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6025da1f98c4e9aa6454dc535dd426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985b383be47791e0409e542225982299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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