名校
1 . 已知函数
的部分图象如图所示,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e1b36b91ee845efe122a5035172fdb.png)
A.函数![]() ![]() |
B.![]() |
C.函数![]() ![]() |
D.方程![]() ![]() ![]() |
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解题方法
2 . 在直三棱柱
中,
是棱
上一点,平面
将直三棱柱
分成体积相等的两部分.若
四点均在球
的球面上,则球
的体积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4eb4295063bc2228b610a53f3079153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bcb3226e013650b7d8827c31dd41d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fcad79e91512c70ac0a7525b4b5537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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3 . 在平行四边形
中,
,点
为该平行四边形所在平面内的任意一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b93b4f5d40351a85c0c027562c20c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c169cec0a60d31fd6c56e4cd9b1e0063.png)
A.6 | B.8 | C.10 | D.12 |
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解题方法
4 . 平面向量
满足:
,
,
,且
,
,则
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1c5bcaa260128e281a12f6ef6aacbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd522bfa5a73cc24b727dfb9662bdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea232dab65fe1923a65165af2b71be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21fbace96e8534be487ab6d983c43d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2396cac4b185cf1f1a67dad9248481c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18adcd988d80833c5d730bdc2529e21.png)
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5 . 已知椭圆
的左、右焦点分别为
为上顶点,离心率 为
,直线
与圆
相切.
(1)求椭圆
的标准方程;
(2)椭圆方程
,平面上有一点
. 定义直线方程
是椭圆
在点
处的极线.
① 若
在椭圆
上,证明: 椭圆
在点
处的极线就是过点
的切线;
② 若过点
分别作椭圆
的两条切线和一条割线,切点为
,割线交椭圆
于
两点,过点
分别作椭圆
的两条切线,且相交于点
. 证明:
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d81afe11925b30336768531ede1c278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72dcc2ad9bd83bf683a3c10aebf1c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70993bac22dd8e80a4d151900785a7fb.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62645f10a184693406c85b90386b43d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f137ff5fe9fd34a482228e24e9a55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74b54fca09a55c3720426e2dc4dfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f137ff5fe9fd34a482228e24e9a55b.png)
① 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f137ff5fe9fd34a482228e24e9a55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
② 若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eebd2e8567f55a4499c51e3c4eed6c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55c23f1782d16f190469765e02b8c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f90c72d708d6d7693d4727ae7882317.png)
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6 . 开展中小学生课后服务,是促进学生健康成长、帮助家长解决接送学生困难的重要举措 是进一步增强教育服务能力、使人民群众具有更多获得感和幸福感的民生工程. 某校为 确保学生课后服务工作顺利开展,制定了两套工作方案,为了解学生对这两个方案的支 持情况,对学生进行简单随机抽样,获得数据如表:
假设用频率估计概率,且所有学生对活动方案是否支 持相互独立.
(1)从该校支持方案一和支持方案二的学生中各随机抽取1人,设
为抽出两人中女生的个数,求
的分布列与数学期望;
(2)在(1)中
表示抽出两人中男生的个数,试判断方差
与
的大小.
男 | 女 | |
支持方案一 | 24 | 16 |
支持方案二 | 25 | 35 |
(1)从该校支持方案一和支持方案二的学生中各随机抽取1人,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(2)在(1)中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a0722562d03a0a55a6c63e5d4cc338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f7c67b0bb498d3fa09bcdcec985b26.png)
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7 . 已知函数
,任取
,定义集合
,点
满足
. 设
分别表示集合
中元素的最大值和最小值,记
,试解答 以下问题:
(1)若函数
,则
___ ;
(2)若函数
,则
的最小正周期为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c31ba2787bc36c28c1a3a54e93432cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752cdf76ae4ff6439f513e8bdf3f60cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9723d753c0d5df723a4308a79e5a876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79410ed94f30c4da60838abfa1f01f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2b282da990e7bd3f05d4026ef5e394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3215494dccf60336e9f7740d19fcbc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f26d721b107f8b2bc88f3eb0f42c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be7b58c2b38144b1891d4840b8047cd.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c64ab61f03db328b8860ff20c6b9b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8798ef183db1c22522f2edefd9ba7930.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c90a21879ef3ff035d9790b24c0a535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0999d7e1264bf85be74b29cd9e34db.png)
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8 . 已知圆
,直线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b2244ab18c54b0987c56bfa579e9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be84efef3f72e863bc719738b9fadc.png)
A.直线 ![]() ![]() |
B.当![]() ![]() ![]() |
C.直线![]() ![]() |
D.若圆![]() ![]() ![]() |
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解题方法
9 . 已知双曲线
的左、右焦点分别为
为
的渐近线上一点.若
的面积为
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24181bc8bfaa221c3fc2be3d42a1061d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9182096b29405152db19435fd187d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.![]() |
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10 . 已知函数
.
(1)求
的最小值;
(2)设函数
,讨论
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffb296c54f3ac746d3a0c503f888126.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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2024-06-13更新
|
92次组卷
|
2卷引用:2024届湖南省长沙市第一中学高考最后一卷数学试题