名校
解题方法
1 . 已知椭圆C:
(
)的离心率为
,左顶点A到右焦点
的距离为3.
(1)求椭圆
的方程;
(2)设直线
与椭圆
交于不同两点
,
(不同于A),且直线
和
的斜率之积与椭圆的离心率互为相反数,求
在
上的射影
的轨迹方程.
![](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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.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/73465a1f9aa03481295bf6bd3c6903ac.png)
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2024-01-07更新
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3卷引用:贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题
贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)(已下线)专题18 圆锥曲线高频压轴解答题(16大核心考点)(讲义)-1
2 . 在正四棱台
中,
,点
在四边形
内,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b893c7da2b26d7576a05bb6a887b2887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9df53c3a9b1c3691d8f216fd3139763.png)
A.正四棱台![]() |
B.正四棱台![]() ![]() |
C.正四棱台![]() ![]() |
D.![]() ![]() |
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3 . 已知
为坐标原点,
,过动点
作直线
的垂线,垂足为点
,
.记动点
的轨迹曲线为
.已知
,
,
,
均在
上,直线
,
的唯一交点为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16415383f0112bf97da824e970c1d299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb7ca2d544f528ff1afcbb5c365f337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c23f5f351c545d42078775e430805e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042f6277c98e108cab95992342e4bfd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26184bcf7695a20d4d85444d852a04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e8b2f3657868c619dc476bcf77adf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57d2dd0af3a6061a2280fef3373950d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34876d748f30fa4fc2eb6a686b5ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b119d0cf10a948cdc53c1066af0b8b.png)
A.曲线![]() ![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
4 . 平面内一动点
到定直线
的距离,是它与定点
的距离的两倍.
(1)求点
的轨迹方程
;
(2)过
点作两条互相垂直的直线
,
(直线
不与
轴垂直).其中,直线
交曲线
于
,
两点,直线
交曲线
于
,
两点,直线
与直线
交于点
,若直线
,
,
的斜率
,
,
构成等差数列,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b0b7dc61346c291554562762fd0558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f998f87124daa3d26643725676b15c97.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9ccc4246c82939d8a659db9f28a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9ccc4246c82939d8a659db9f28a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9eeee83b4b7c6ceac7828ff534ce15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d9ccc4246c82939d8a659db9f28a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5d04fbdee890603b0b3621037f3c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd6a1d6fab318824426e52464a575e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44368a1c81e2bb3608b412ac0c44f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546a035918f025942ca99b9ffebd8eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
您最近一年使用:0次
2022-10-20更新
|
697次组卷
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4卷引用:贵州省六校联盟2023届高三上学期高考实用性联考(一)数学(理)试题
贵州省六校联盟2023届高三上学期高考实用性联考(一)数学(理)试题贵州省六校联盟2023届高三上学期高考实用性联考(一)数学(文)试题内蒙古自治区赤峰市赤峰二中2022-2023学年高三上学期第二次月考理科月考数学试题(已下线)专题32 一类与斜率和、差、商、积问题的探究-1
5 . 如图,已知正方体
的棱长为2,点
为
的中点,点
为正方形
上的动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/53127c91-1028-4c04-a6c4-540f58701ca2.png?resizew=207)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/53127c91-1028-4c04-a6c4-540f58701ca2.png?resizew=207)
A.满足![]() ![]() ![]() ![]() |
B.满足![]() ![]() ![]() |
C.存在唯一的点![]() ![]() |
D.存在点![]() ![]() |
您最近一年使用:0次
2022-07-05更新
|
1392次组卷
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9卷引用:贵州省都匀兴华中学2023-2024学年高二上学期阶段测试(一)数学试题
贵州省都匀兴华中学2023-2024学年高二上学期阶段测试(一)数学试题河南省濮阳市2023-2024学年高二上学期9月大联考数学试题陕西省西安市长安区2023-2024学年高二上学期10月月考数学试题广东省梅州市2021-2022学年高二下学期期末数学试题福建省福州第一中学2022-2023学年高二上学期期末数学试题(已下线)1.3.2 空间向量运算的坐标表示(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)第03讲 空间向量及其运算的坐标表示(7大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)福建省福州教育学院附属中学2023-2024学年高二上学期期末考试数学试题安徽省阜阳市阜阳一中2023-2024学年高二下学期开学检测数学试题
名校
解题方法
6 . 如图,M,N分别在x轴、y轴上运动,
点P满足
点P的轨迹为曲线C.
![](https://img.xkw.com/dksih/QBM/2022/6/2/2992893435928576/2996195895672832/STEM/2716a399-d80a-49f1-9bc7-2c1d3ac45555.png?resizew=192)
(1)求曲线C的方程;
(2)直线
与曲线C交于A,B两点,C,D在曲线C上,
,求四边形ACBD面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577e89961e0d68d363933aed2a886992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3624abfa5fac7e0afb9b2fdf0c76aebf.png)
![](https://img.xkw.com/dksih/QBM/2022/6/2/2992893435928576/2996195895672832/STEM/2716a399-d80a-49f1-9bc7-2c1d3ac45555.png?resizew=192)
(1)求曲线C的方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b600f4b41aa26fcdcd55ad32d5514a.png)
您最近一年使用:0次
2022-06-07更新
|
1379次组卷
|
3卷引用:贵阳第一中学2022届5月高三高考适应性月考卷(八)数学(理)试题
7 . 已知点
,
,动点
满足直线AM与BM的斜率之积为
.记M的轨迹为曲线C.
(1)求曲线C的方程,并说明是什么曲线;
(2)设直线l不经过点
且与曲线C相交于点D.E两点.若直线PD与PE的斜率之和为2,证明:l过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
(1)求曲线C的方程,并说明是什么曲线;
(2)设直线l不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22840186db0afc0e2b2e8915ce79b998.png)
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