名校
解题方法
1 . 已知点
,
,
,
.
(1)设线段AB的中点是H,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ ;
(2)已知
.若点Q的轨迹与直线
平行,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50edfb9ed0d50d6f35ad6a130208d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e717fc336c2b9c1617421b5b8a4ae6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656de1832d5046c5c0d242372ff48c08.png)
(1)设线段AB的中点是H,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805e8f0e7b46332052b32f249b5df425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469ef1bfbac0fa50e8d54110b27ba46f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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名校
2 . 已知
为坐标原点,
,
,
,向量
,动点
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,写出一个
,使得有且只有一个点
同时满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a291e0d0e2f620a15826a1aa3c04bc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e77c9666750eb18917c43a03232d7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e163480714acc9dae5005cac65d217d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11332380fd5a9d83ca2825e7e0d5ef66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2024-02-27更新
|
1273次组卷
|
2卷引用:湖南省长沙市长郡中学2024届高三一模数学试题
3 . 设向量
,
,
.
(1)求
;
(2)若
与
平行,求
的值;
(3)求证:
与
垂直;
(4)求
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010632a752a68ced11aaf8ac2f3be311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe274c1abd217bba785a193f9a2ded1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccbac0b7aae1810196fb8b2ac5a2861b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2def9368c3513ae1afb361b56dd06b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437dc907211c5934f938d869f6b19e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed521b8d2a27df838534e3b787b3dd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20f69af6870bada879cddd7f6794d24.png)
(4)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770b200e9fc16b3da9d38e37bb17d63b.png)
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名校
解题方法
4 . 已知点
,
,
,O为坐标原点,若
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f315b97ad12c6c9fe534fb6f4be8668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd11507f89c2835aefd51e0884f3efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441e1cb44aa28a8f590aea5ae3bd25c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.0 | B.1 | C.2 | D.3 |
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2024-02-14更新
|
596次组卷
|
6卷引用:安徽省部分学校2024届高三上学期期末质量检测数学试题
名校
5 . 下列四个命题,其中说法正确的是( )
A.“![]() ![]() |
B.命题“![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.若向量![]() ![]() ![]() ![]() ![]() |
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6 . 下列命题中正确的是( )
A.对空间任意一点![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若空间向量![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若向量![]() ![]() ![]() |
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7 . 已知直角梯形
的三个顶点分别为
,
,
,且
.
(1)求顶点
的坐标;
(2)若
为线段
上靠近点
的三等分点,
为线段
的中点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266504a4bd910b292c74765dc9772f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f56120e30c41aa77a37eb4d46f6390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d31600cba2d5256c7e78b6122d6755.png)
(1)求顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cff32e3f6965f6b72707c8133efcbb.png)
您最近一年使用:0次
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8 . 下列说法正确的是( )
A.若点![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若向量![]() ![]() ![]() ![]() ![]() |
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解题方法
9 . 向量
与向量
夹角为钝角,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a846d9a5ac0695e224a53cbfdf5e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739645c487dfb083df1c5ddd0bb1a111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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2023-06-29更新
|
633次组卷
|
8卷引用:江苏省宿迁市2022-2023学年高一下学期期末数学试题
江苏省宿迁市2022-2023学年高一下学期期末数学试题(已下线)模块一 专题1 向量数量积的范围问题(已下线)模块一 专题1 向量数量积的范围问题(高一人教B)广西南宁市第三十三中学2023-2024学年高一下学期3月月考数学试卷(已下线)模块二 专题3 平面向量的数量积的范围(最值)问题(高一下人教B版)【江苏专用】专题03平面向量(第一部分)-高一下学期名校期末好题汇编(已下线)江苏省高一下学期期末真题必刷 -期末考点大串讲(苏教版(2019))江西省南昌市第十中学2023-2024学年高一下学期第二次月考数学试题
解题方法
10 . 如图所示,在
处发射一束激光,经过
轴反射后撞击
处的一个中子.已知
,
的坐标分别为
,
,求光束射到
轴的位置
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/ed18bd80c6c4142f68e89f4ad44570b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfbb1f6dd7b89d1f02abb8a0ca68dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/10/99bdcffb-4246-498f-a03c-640ac9b88fba.png?resizew=149)
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