1 . (多选)数学中的很多符号具有简洁、对称的美感,是形成一些常见的漂亮图案的基石,也是许多艺术家设计作品的主要几何元素.如我们熟悉的
符号,我们把形状类似
的曲线称为“
曲线”.在平面直角坐标系
中,把到定点
,
距离之积等于
的点的轨迹称为“
曲线”
.已知点
是“
曲线”
上一点,下列说法中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229e67dd9fe978e48c221b0b9dc57f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229e67dd9fe978e48c221b0b9dc57f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb162568cb923c31c7209c8a22e4674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca4d2dd6a806193dfd4d66991a48a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be45dd63a0db0b7ab458f30ee6a67881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229e67dd9fe978e48c221b0b9dc57f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229e67dd9fe978e48c221b0b9dc57f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.“![]() ![]() ![]() |
B.![]() |
C.“![]() ![]() ![]() ![]() |
D.![]() ![]() |
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解题方法
2 . 已知椭圆
:
的离心率为
,左顶点是A,左、右焦点分别是
,
,
是
在第一象限上的一点,直线
与
的另一个交点为
.若
,则直线
的斜率为( ).
![](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/f89eef3148f2d4d09379767b4af69132.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143a5fa0cb06dbc51f9420a27f3f6afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-24更新
|
1093次组卷
|
8卷引用:广东省江门市广雅中学2023-2024学年高二上学期期中数学B卷试题
广东省江门市广雅中学2023-2024学年高二上学期期中数学B卷试题江西省上饶市上饶中学2024届高三上学期12月月考数学试题湖北省武汉市第三中学2023-2024学年高二上学期12月月考数学试题江西省上饶市私立新知学校2023-2024学年高二上学期期末数学试题(已下线)专题12 椭圆的定义及其应用+焦点三角形(期末选择题12)-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)河南省三门峡市2023-2024学年高二上学期期末数学试题四川省眉山市彭山区第一中学2023-2024学年高二下学期开学考试数学试题河北省部分示范性高中2024届高三下学期一模数学试题
名校
解题方法
3 . 已知椭圆C:
焦距为6,且椭圆C上任意一点(异于长轴端点)与长轴的两个顶点连线的斜率之积为定值
.
(1)求曲线C的方程;
(2)过右焦点
作直线l交曲线C于M、N两个不同的点,记
的面积为S,求S的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc47d112abcc9d7eb4a9b6203d2dd77a.png)
(1)求曲线C的方程;
(2)过右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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4 . 设椭圆
:
(
)的左、右焦点分别为
,
,左、右顶点分别为
,
,点
是
上异于
的一点.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.点![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.当点![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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解题方法
5 . 已知双曲线
(
,
)的左,右焦点分别为
,
,左顶点为
,直线
过左焦点
,与双曲线
的左,右两支依次交于
,
两点.当
轴时,
,
.
(1)求双曲线
的标准方程;
(2)点
和点
关于
轴对称(两个点不重合),直线
与
轴交于点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/9b1f6ab184b5691baeb1e76407430548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03cd0da41ee268aecc9bf90cee3dfcf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7aca8ecefe890c57ed5e68f5b40a6.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176c4e39af46e2c423e4a76ecb06e605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd9bab9284ba2bd81c299ecd2e54633.png)
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6 . 已知正方体
的棱长为1,点P满足
,
,
,
(P,B,D,
四点不重合),则下列说法正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ae7072624587654d162548a80d7a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7b5066a7ac79c102d2a30d6280d3ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-09更新
|
805次组卷
|
8卷引用:广东省执信、深外、育才等学校2024届高三上学期12月联考数学试题
解题方法
7 . 如图所示,正方体
中,
,点
在侧面
及其边界上运动,并且总是保持
,则以下四个结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/366daca6-f35e-412a-b0ee-fb2a1fcfb6a8.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbcdb9f641a2b3e06e0a01c79420667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/366daca6-f35e-412a-b0ee-fb2a1fcfb6a8.png?resizew=161)
A.![]() | B.![]() |
C.点![]() ![]() | D.![]() ![]() |
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解题方法
8 . 在平面直角坐标系
中,已知椭圆
的离心率为
,且过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e90064d012356de1877aa697cd6d6ac.png)
(1)求椭圆C的方程;
(2)设直线l的斜率存在,不经过A点且与C交于两个不同的点P,Q,若直线
分别与y轴交于点
,且
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e90064d012356de1877aa697cd6d6ac.png)
(1)求椭圆C的方程;
(2)设直线l的斜率存在,不经过A点且与C交于两个不同的点P,Q,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81778f5c4ab75f3f35ad0ee472fffe9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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9 . 如图,四面体
的每条棱长都等于
,
分别是
上的动点,则
的最小值是________ ,此时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8996e6f92f6005ccddb9334a70ff4cb0.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8996e6f92f6005ccddb9334a70ff4cb0.png)
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10 . 画法几何的创始人——法国数学家加斯帕尔·蒙日发现:与椭圆相切的两条垂直切线的交点的轨迹是以椭圆中心为圆心的圆,我们通常把这个圆称为该椭圆的蒙日圆.已知椭圆
,
,
分别为椭圆的左、右焦点,直线
的方程为
,
为椭圆
的蒙日圆上一动点,
,
分别与椭圆相切于A,
两点,
为坐标原点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0296bd9900adcc311f59ad44e940b86f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233223a3ac88d9e312f6fcf732790fc3.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/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.椭圆![]() ![]() |
B.记点A到直线![]() ![]() ![]() |
C.一矩形四条边与椭圆![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-12-05更新
|
509次组卷
|
2卷引用:广东省广州市华南师范大学附属中学2023-2024学年高二上学期期中数学试题