名校
1 . 如图,已知点
是边长为1的正三角形
的中心,线段
经过点
,并绕点
转动,分别交边
于点
,设
,其中
.
的值;
(2)求
面积的最小值,并指出相应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed96677f96685494302fd7fc0762047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ca1fae322fcf42507a35892a86aeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次
2024-03-23更新
|
2949次组卷
|
11卷引用:山西省朔州市怀仁市第一中学校2023-2024学年高一下学期第二次月考(3月)数学试题
山西省朔州市怀仁市第一中学校2023-2024学年高一下学期第二次月考(3月)数学试题1号卷·A10联盟2022届全国高考第一轮总复习试卷数学(文科)试题(十)重庆市九龙坡区部分学校2023-2024学年高一下学期阶段测试数学试题(已下线)考点1 平面向量的概念及线性运算 --2024届高考数学考点总动员【练】(已下线)第六章 本章综合--方法提升应用【第三练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)2.4 平面向量基本定理及坐标表示-同步精品课堂(北师大版2019必修第二册)福建省漳州市云霄第一中学2023-2024学年高一(平行班)下学期第一次月考数学试题重庆市部分学校2023-2024学年高一下学期第一次月考数学试卷甘肃省天水市第一中学2023-2024学年高一下学期4月月考数学试题黑龙江省双鸭山市第一中学2023-2024学年高一下学期4月月考数学试题(已下线)2.4 平面向量基本定理及坐标表示6种常见考法归类(2)-【帮课堂】(北师大版2019必修第二册)
2 . 如图,
为
的中线
上的点,且
,过点
的直线分别交
,
两边于点
,
,设
,
,请求出
,
的关系式,并记
.
![](https://img.xkw.com/dksih/QBM/2022/6/24/3008420752056320/3010629357903872/STEM/a49a7ae0f17d485e8dd41e0c867fdcd4.png?resizew=272)
(1)求函数
的表达式;
(2)设
的面积为
,四边形
的面积为
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d10a20d89032c23b0aaddc56e82cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a291f84ab0281024c318dd9805831544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42283f40f5ba3d7047f2c65dc7695f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/2022/6/24/3008420752056320/3010629357903872/STEM/a49a7ae0f17d485e8dd41e0c867fdcd4.png?resizew=272)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae996f17c142d99dd990efb01c39621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731d129699750d6d5f79a72e3444e96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
3 . 在
中,
,D是线段BC上一点,且
,点M在线段AB上移动(包括端点).
(1)若
,求实数
的值;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77fff79dbebc482bfa342398a51706cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7e398eb6a6f5a2213b596fcb33295c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f92aef16f5f17f7613e92f34c38e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198a6ead5c1ad992c0d4c44fbfb1fce0.png)
您最近一年使用:0次
2022-04-01更新
|
537次组卷
|
3卷引用:山西省运城市2021-2022学年高一下学期3月阶段性检测数学(A)试题
名校
4 . 已知圆
,直线
与圆
相交于
两点,且
.
(1)求直线
的方程;
(2)已知点
,
,
,点
是圆
上任意一点,点
在线段
上,且存在常数
使得
,求点
到直线
距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01268ac8e838d0f45ccb35bc1d479d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8003ed8d06b4159be777e1acb5598e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8b709a173120436dac669c74b927d8.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eef038344de929951c13f3a7fa04f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054f33814f1b86067803077330269f6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-05-01更新
|
612次组卷
|
3卷引用:山西省山西大学附属中学、汾阳中学2020-2021学年高二上学期12月月考数学(理)试题
名校
5 . 在平面直角坐标系中,
为坐标原点,
,
,
三点满足
.
(1)求
值;
(2)已知
若
的最小值为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2b78b43898156b70eb20e632eb3684.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cc7c3c868df85726d6fec8d480e588.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee071259a2a59cd8c09cb3cd44c46ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
您最近一年使用:0次
2019-10-14更新
|
2831次组卷
|
10卷引用:山西省潞城区第一中学校2020-2021学年高一下学期第一次月考数学试题
山西省潞城区第一中学校2020-2021学年高一下学期第一次月考数学试题四川省凉山彝族自治州2018-2019学年高一下学期期末数学(理)试题山东省临沂第一中学2019-2020学年高一下学期期中考试数学试题山东省潍坊一中2019-2020学年高一下学期期中考试数学试题河南省南阳市2019-2020学年高一下学期期末考试数学试题河南省新乡市安阳市鹤壁市顶尖名校2020-2021学年高三10月联考数学理科试题辽宁省凌源市2020-2021学年下学期高二尖子生抽测数学试题福建省福州市福清市西山学校2020-2021学年高一3月月考数学试题北京市第十二中学2020-2021学年高一3月月考数学试题辽宁省锦州市辽西育明高级中学2022-2023学年高一下学期第一次阶段性数学试题
名校
6 . 在平面直角坐标系中,
为坐标原点,已知向量
,又点
,
,
,
.
(1)若
,且
,求向量
;
(2)若向量
与向量
共线,常数
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444f4482665514c58635337c5c920021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba33de35567ff6f8c15e7e0d37aa590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee46b782eff697985ed68c94451b5038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4945cf393bb7178d4d041e5544789eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36378b8ac7fe99d238c8b5f2da1fe812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41642ba3485da27a9b005130a021130c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794efd8cf0cc386faa170d01f357b1c5.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436b63e793d6d39990341d29cf47f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fe75b62e4b68f7aeca1a4bcd6fbb64.png)
您最近一年使用:0次
2018-07-05更新
|
1643次组卷
|
8卷引用:【全国百强校】山西省朔州市怀仁县第一中学、应县第一中学2017-2018学年高一下学期期末考试数学(文)试题
【全国百强校】山西省朔州市怀仁县第一中学、应县第一中学2017-2018学年高一下学期期末考试数学(文)试题(已下线)2019年一轮复习讲练测 5.2 平面向量的基本定理及坐标表示【浙江版】【测】广东省湛江市2018-2019学年高一下学期期末数学试题山东省聊城市2020-2021学年高一下学期期中数学试题山东省临沂市兰山区、兰陵县2020-2021学年高一下学期期中数学试题(已下线)第8课时 课后 平面向量数乘的坐标表示河南省安阳市第一中学2021-2022学年高一下学期第一次阶段测试数学试题(已下线)高一数学下学期期中全真模拟卷(2)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)
7 . 在平面直角坐标系
中,椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
的一个焦点为
,
为椭圆上的一点,
的面积为
.
(1)求椭圆
的标准方程;
(2)若点
在圆
上,是否存在过点
的直线
交椭圆
于点
,使
?若存在,求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4a7482cb81b34df5a11807b8136a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fd8fa3a3a3665071cb3b897b15cfb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db66c31b1a91f8b8d8dada43cdacfa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1c574ec18378e4f0c55f96da7bb10b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次