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1 . 已知双曲线
:
的左、右焦点分别为
、
,过
向
的一条渐近线作垂线,垂足为
,交另一条渐近线于
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.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/a3fb78c5f885034612c0e030b920143d.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)
A.![]() ![]() | B.点![]() ![]() |
C.![]() | D.![]() |
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2 . 已知椭圆
,长轴长为8,短半轴长为
,
分别为椭圆左右焦点,点
,P为椭圆上任意一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17a80dee44d744cf9ce671d4e8c0948.png)
A.![]() |
B.若直线l交椭圆于A,B两点,且![]() ![]() |
C.![]() ![]() |
D.![]() |
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2023-12-01更新
|
649次组卷
|
3卷引用:重庆市第一中学校2023-20324学年高二上学期期中考试数学试题
名校
解题方法
3 . 我们把形如
的函数称为类双勾函数,这类函数有两条渐近线
和
,它的函数图像是对称轴不在坐标轴上双曲线.现将函数
的图像绕原点逆时针旋转一定的角度得到焦点位于x轴上的双曲线C,则该双曲线C的离心率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9eb6c1ba9517cf6c3c7518be0a7841f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5693639d9ce7b554b794006d282c1aaa.png)
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解题方法
4 . 已知双曲线
的左顶点为A,右焦点为F,P是直线
上一点,且P不在x轴上,以点P为圆心,线段PF的长为半径的圆弧AF交C的右支于点N.
![](https://img.xkw.com/dksih/QBM/2023/12/1/3379945748242432/3380064492445696/STEM/e787a00b3e4f41399a0498b02fda71c6.png?resizew=163)
(1)证明:
;
(2)取
,若直线PF与C的左、右两支分别交于E,D两点,过E作l的垂线,垂足为R,试判断直线DR是否过定点若是,求出定点的坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d6b900707783424bc28f1c148ba049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b11a92ffd5836369c3bbadbd8a43965.png)
![](https://img.xkw.com/dksih/QBM/2023/12/1/3379945748242432/3380064492445696/STEM/e787a00b3e4f41399a0498b02fda71c6.png?resizew=163)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4cf3298bbb1c9f0bb8e51cb1f741b0.png)
(2)取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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5 . 下列命题正确的是( )
A.经过定点![]() ![]() |
B.点![]() ![]() ![]() |
C.过点![]() ![]() |
D.已知直线![]() ![]() ![]() |
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2023-11-30更新
|
657次组卷
|
2卷引用:重庆市永川北山中学校2023-2024学年高二上学期期中考试数学试题
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解题方法
6 . 椭圆
:
的左右焦点分别为
,
,O是坐标原点,
是椭圆E上一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa77802f9a072a800ee5098f668d5d9.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/7775aa57ca0e62216f3039ed88dceed0.png)
A.![]() ![]() | B.当![]() ![]() |
C.![]() | D.当![]() ![]() |
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7 . 双曲线E:
,过
作直线l交双曲线于A,B两点,若不存在直线l使得P是线段
的中点,则t的取值范围是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44342c2ee26a279265225982499b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edee99f1da55f466f0bbc52257caea8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2023-11-24更新
|
640次组卷
|
3卷引用:重庆市巴蜀中学2023-2024学年高二上学期期中考试数学试卷
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解题方法
8 . 椭圆
:
的左右焦点分别是
,
,P在椭圆
上,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdd1989149897babe496145a3812e49.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b606562b6515b13dc022d5a6db5b00c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
A.7 | B.6 | C.5 | D.4 |
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2023-11-24更新
|
683次组卷
|
3卷引用:重庆市巴蜀中学2023-2024学年高二上学期期中考试数学试卷
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解题方法
9 . 已知抛物线C:
与椭圆
有公共的焦点.
(1)求抛物线C的方程;
(2)过
的直线
交抛物线C于A,B两点,试问在抛物线C上是否存在定点P,使得直线
,
的斜率存在且非零时,满足两直线的斜率之积为1,若存在,请求出点P的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82766cfd2b7c59c7fac5b827ae5863b2.png)
(1)求抛物线C的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe0009e643271df911378e503b257150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
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10 . 已知
,圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
,动圆
经过
点且与圆
相切,则动圆圆心
的轨迹方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8547f2b4e89b0ae1445bda02d46f0668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58824f9f1ec40ade500d17a72231c8f9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-24更新
|
1177次组卷
|
4卷引用:重庆市巴蜀中学2023-2024学年高二上学期期中考试数学试卷
重庆市巴蜀中学2023-2024学年高二上学期期中考试数学试卷(已下线)第3章:圆锥曲线与方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)(已下线)第三章:圆锥曲线的方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题18 双曲线的标准方程的求算及重点性质考察(期末选择题18)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)