名校
解题方法
1 . 如图,已知动圆M过定点
且与y轴相切,点F关于圆心M的对称点为
,点
的轨迹为H.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/8766cf93-dafd-446c-8032-fc8e5ba147a5.jpg?resizew=140)
(1)求曲线H的方程;
(2)一条直线
经过点F,且交曲线H于A,B两点,点C为直线
上的动点.求证:
不可能是钝角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/8766cf93-dafd-446c-8032-fc8e5ba147a5.jpg?resizew=140)
(1)求曲线H的方程;
(2)一条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c84057882768f20a01365c81b6760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,
为半圆
的直径,
,
为
上一点(不含端点).
;
(2)若
是
上更靠近点
的三等分点,
为
上的任意一点(不含端点),求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56387ff53874620addcb0b91a605a309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9542dada24676ae68bb9ea7a6b5b135.png)
您最近一年使用:0次
2024-03-28更新
|
867次组卷
|
13卷引用:河南省安阳市林州市第一中学2023-2024学年高一下学期4月拉练一(月考)数学试题
河南省安阳市林州市第一中学2023-2024学年高一下学期4月拉练一(月考)数学试题山东省部分学校2022-2023学年高一下学期期中质量监测联合调考数学试题辽宁省沈阳市联合体2022-2023学年高一下学期期末数学试题山东省聊城市2022-2023学年高一下学期3月质量监测数学试题(已下线)6.4.1 平面几何中的向量方法-同步精品课堂(人教A版2019必修第二册)江苏省苏州园二2023-2024学年高一下学期3月月考数学试题(已下线)模块五 专题1 全真基础模拟1(高一)(已下线)模块三 专题2 解答题分类练 专题5 三角函数与平面向量的实际应用(解答题)(北师大版高一期中)(已下线)模块一 专题4 平面向量的数量积 B提升卷(人教B版)(已下线)模块一 专题5 平面向量的数量积 B提升卷(北师大版高一期中)青海省西宁市第十四中学2023-2024学年高一下学期4月月考数学试卷(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)(已下线)第7题 平面向量与其他知识的交汇(高一期末每日一题)
名校
解题方法
3 . 在平面直角坐标系
中,已知椭圆
的左、右顶点分别为
,
,上顶点为
,
的面积为2,点
满足
.
(1)求椭圆
的标准方程;
(2)过点
且斜率不为0的直线
与椭圆
自左向右依次交于
,
两点,
为线段
上一点,且
,设直线
与直线
的斜率分别为
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73314082aec86935318f5efc466b1dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad3a4d8eb0a4f3dd417124a19f60066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cac53faaef7d8aa9d0f2ce5b5b2de3f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9380745f15c3512d199a522eff36761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84fb85c78522640bcaf889f89ad89de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a3f348a942d468f0d77c0dfbb41d87.png)
您最近一年使用:0次
2022-12-27更新
|
112次组卷
|
2卷引用:河南省湘豫名校联考2022-2023学年高三上学期12月期末摸底考试数学(文科)试题
名校
解题方法
4 . 已知
,请判断
与
的大小,并用向量方法证明所得的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3f7da4088c7a6d0ecb32bb1dff53d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3f6d2577dd8df3852dd813267146f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7e6232a3919536f7f3a5242b1a525f.png)
您最近一年使用:0次
名校
5 . 在正方形ABCD中,点E在线段BC上并且
,点F在线段CD上并且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/ed5e938d-8653-426b-8dbe-89eb9cc780f1.png?resizew=128)
(1)证明:AE⊥BF
(2)若AE与BF相交于点G,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa12e62b31e4d483e097598aef8bafe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591a043cc7a73387f15743c8cb04824c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/ed5e938d-8653-426b-8dbe-89eb9cc780f1.png?resizew=128)
(1)证明:AE⊥BF
(2)若AE与BF相交于点G,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f20b700557745476e7b737a2bf3cbcb.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
中
是直角,
,点
是
的中点,
为
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/db93d9cd-3206-4f6e-8ab2-60c0bcbc34f1.png?resizew=153)
(1)设
,
,当
,请用
,
来表示
,
.
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3631ef304992b6c0c592be4dd158edba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d89ba4036a5d18ec4abed44d7fd8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/db93d9cd-3206-4f6e-8ab2-60c0bcbc34f1.png?resizew=153)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4400603d8bb6c3dd0f9f91fa37e86f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace5db7d9de4b89e5725af12e12e1c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0133b26e390fe11bc46a35e6b523b809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88369a480ff098461307038ceb224e2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70cc587dbef0d91446ee5f36384eaffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccd5c41c921836b50f8e18abfdc5df3.png)
您最近一年使用:0次
2021-11-28更新
|
924次组卷
|
7卷引用:河南省郑州市第四十七高级中学2023-2024学年高二上学期开学考试数学试题
河南省郑州市第四十七高级中学2023-2024学年高二上学期开学考试数学试题云南省昆明市第八中学2020-2021学年高一特色班下学期第一次月考数学试题广东省汕头市金山中学2021-2022学年高一下学期第一次月考(B卷)数学试题(已下线)6.3.5平面向量数量积的坐标表示(练案)2021-2022学年高一数学同步备课 (人教A版2019 必修第二册)浙江省杭州市富阳区第二中学等两校2021-2022学年高一下学期3月检测数学试题广东省揭阳市惠来县第一中学2021-2022学年高一下学期第一次段考数学试题河北省石家庄市二十二中2022-2023学年高一下学期第一次月考数学试题
7 . 如图所示,在梯形
中,
,
是一个边长为6的等边三角形,
,
分别是
,
的中点,
交
于
点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/240ba8f4-6ea4-41ad-8553-7e034892e28b.png?resizew=157)
(1)证明:
;
(2)设
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c0e6e3818e91345ddd7e6f12f7716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c0e6e3818e91345ddd7e6f12f7716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/240ba8f4-6ea4-41ad-8553-7e034892e28b.png?resizew=157)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450e4b4bcffec1c088855dba8e60f01a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b042e71895016b012c9b7e64dba730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3728d1c17bd92866025193c752121a7.png)
您最近一年使用:0次
8 . 已知过定点
的直线与抛物线
交于
两点,且
.
(1)求抛物线的方程;
(2)
是抛物线上不同于
的点,若直线
恒过点
,求证:直线
也恒过定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d04cf3021c529f51151de15415488b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645793919537144c727dc8a6b91d8fed.png)
(1)求抛物线的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f1b571dc1612db90dc64272bc716db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
您最近一年使用:0次
名校
解题方法
9 . 在平面直角坐标系中,O为坐标原点,C,P,Q三点满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b505e5775d206e19c1dd5117a6be2e89.png)
(1)求证:C,P,Q三点共线;
(2)若
,
(
),则
(
)的最小值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b505e5775d206e19c1dd5117a6be2e89.png)
(1)求证:C,P,Q三点共线;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e523f0fd6c95477c3fb3021db59711ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbcc972c140f754f7ae93284991eacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a14f8dddd68c90a12a30a71b01f654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
您最近一年使用:0次
名校
10 . 在平面直角坐标系中,O为坐标原点,
,
,且
,A,B,C三点满足
.
(1)求证:A,B,C三点共线;
(2)若函数
的最小值为
,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd04ec1b4569f53912cd42767fb32e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ed37126fe21c2f16fdbe293fbbf45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7716676fd9d0ba485e3d463b6db284c3.png)
(1)求证:A,B,C三点共线;
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc72c843e56a0473966930cfc93c426e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8e75c9db745dc00e734a1ef487bd368.png)
您最近一年使用:0次
2020-03-05更新
|
1038次组卷
|
4卷引用:河南省信阳市息县一中2018-2019学年高一下学期第七次阶段性考试数学(文)试题