1 . 已知椭圆
的离心率为
,左、右焦点分别为
,过左焦点
作直线与椭圆在第一象限交于点
,若
的中点恰好在
轴上,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知圆
过二次函数
与坐标轴的所有交点.
(1)求圆
的标准方程;
(2)过点
的直线
与圆
交于
两点,
为坐标原点,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbefcfbe1e11157ac97ae58d4029626.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4afe0675f2c733af5c05ca00811c5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db9b4ac9106bfaf32eba6ae265872b.png)
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解题方法
3 . 已知
分别是双曲线
的左、右焦点,
是双曲线
上的一点,且
,双曲线的离心率是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d44c0694b280ef9b773309c0f365c0f.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/1d0603978852b7440a5f57e4c9d1b7db.png)
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4 . 已知双曲线
的左、右焦点分别为
,点
为双曲线上一点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2314c080963fd0c9212593124b6177.png)
(1)求双曲线
的标准方程;
(2)已知直线
与双曲线
交于
两点,且
,其中
为坐标原点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ce1534a372db7666711443631c4ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2314c080963fd0c9212593124b6177.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2928c016cfbe88a72b8022371d24c329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7d47c633e2e92a2031e4d4562bd331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024-02-04更新
|
508次组卷
|
3卷引用:重庆市巴蜀中学校2023-2024学年高二上学期期末考试数学试题
重庆市巴蜀中学校2023-2024学年高二上学期期末考试数学试题重庆市渝中区巴蜀中学校2023-2024学年高二上学期期末数学试题(已下线)3.2.2 双曲线的简单几何性质【第三练】“上好三节课,做好三套题“高中数学素养晋级之路
解题方法
5 . 在棱长为4的正方体
中,棱
上的点
满足
,
是侧面
上的动点,且
平面
,则点
在侧面
上的轨迹长度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/b54cb7e4-56fd-4ca2-95de-9c00451858fe.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d7addcf0da94354e67462ca3c896be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8b62c7a44505ebf97ed9bcf80decd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/b54cb7e4-56fd-4ca2-95de-9c00451858fe.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.4 |
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6 . 冰糖葫芦是中国传统小吃,起源于南宋,由山楂串成的冰糖葫芦如图1所示,若将山楂串成的冰糖葫芦在平面直角坐标系中的正投影(如图2所示)看成大小相同的圆,竹签看成一条经过所有圆心的线段,且山楂的半径为1,竹签所在的直线方程为
,则与该串冰糖葫芦的山楂都相切的直线方程为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/30dc1696-cb40-46d0-a2e3-e9ae5c327318.png?resizew=226)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05063aa8290b34b56ac3b6193cba95f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/30dc1696-cb40-46d0-a2e3-e9ae5c327318.png?resizew=226)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知函数
有两个极值点
,
,其中
.
(1)求a的取值范围;
(2)若不等式
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175e173c9860e8af358b3d2d8c408448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求a的取值范围;
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc16d7a187d8b5971bbb4c54c1de28f9.png)
您最近一年使用:0次
8 . 如图,点
是四面体
的棱
的中点,点
是三角形
的重心,点
在线段
上,且
,设
,
,
,则下列等式成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/31fca225-6ba7-4e87-8a70-9c8e4f42dcba.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb802b0cd77d772dceff0d9ff6c879ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc16de84ba253ac1471602c3ed28b019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40f8ef7e3af00c41f85a20578afdb57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/31fca225-6ba7-4e87-8a70-9c8e4f42dcba.png?resizew=162)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知椭圆C:
(
)的离心率为
,焦距为
.
(1)求椭圆C的方程;
(2)若直线
与C交点P,Q两点,O为坐标原点,且
,求实数k的值.
![](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/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求椭圆C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1167767fd847678ef279f3e637f2828.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
,
是椭圆C:
的左、右焦点,P为C上异于顶点的一点,
的平分线PQ交x轴于点Q.若
,则椭圆C的离心率为______ .
![](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/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f1276de091642e40f844900c637ca2.png)
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