1 . 下列命题正确的是( )
A.向量![]() ![]() ![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.在平面直角坐标系![]() ![]() ![]() ![]() ![]() |
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解题方法
2 . 如图,已知AB是圆
的直径,
是圆
上一点,
,点
是线段BC上的动点,且
的面积记为
,圆
的面积记为
,当
取得最大值时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a412283b2b527b9fa30fdadf662decbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a39f04d1c3551403dbbed35deb01232.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
解题方法
3 . 在平面直角坐标系
中,已知双曲线
的右焦点为
分别为双曲线
的左、右顶点,过
的直线
与
的右支相交于点
.
(1)若直线
分别与线段
的垂直平分线相交于点
,求
的值.
(2)当直线
任意旋转时,试问:
是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100f467b334267d580833b45ad79097a.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351a574f19785bf826b3e5d6f2536981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c76916c6ff302cf4fb4b6ace5bb3a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdbdec26c6aa6565eef79515056a036.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f02e26f06a8baae2ce6f390f19f9a11.png)
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4 . (1)若
,
求
;
(2)若
,
为单位向量,
,
的夹角为
,求
和函数
,
的最小值;
(3)请在以下三个结论中任选一个用向量方法 证明.
①直径所对的圆周角是直角;②平行四边形的对角线的平方和等于其四边长的平方和;③三角形的三条中线交于一点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e2be6092676f75f47af10c65181cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47713d6ae331e612bebb78651d6fcd4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcbdc3d3f846718f1edcbc914c10759.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58054eff6c328eb401995a81c6e91a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55f2c39a9cc97ebca1d9f6427290c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(3)请在以下三个结论中任选一个用
①直径所对的圆周角是直角;②平行四边形的对角线的平方和等于其四边长的平方和;③三角形的三条中线交于一点.
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5 . 平面上的向量
、
满足:
,
,
.定义该平面上的向量集合
.给出如下两个结论:
①对任意
,存在该平面的向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
,存在该平面向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407538138dd68ab917925c2063cc98e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30f758f45abc258acfe2c619a901dd4.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c5dcc6c7cbc617957931d8b8b4b09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8b56ab93d5122afcddb46d502012ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
A.①正确,②错误 | B.①错误,②正确 | C.①正确,②正确 | D.①错误,②错误 |
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23-24高一下·全国·课前预习
6 . 已知两个非零向量,向量
,
注意:公式
与
都是用来求两向量的数量积的,没有本质区别,只是书写形式上的差异,两者可以相互推导.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c119bbc0aa53cac8b90bfd2ffe3523.png)
数量积 | 两个向量的数量积等于它们![]() |
向量垂直 | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec99e36b8fb14158187efa83c0e8c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972df1c4cb97e8d6a172d69a65e398fc.png)
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名校
7 . 已知
,函数
.
(1)我们知道,向量数量积对加法的分配律,等价于向量往同一方向投影与求和可以交换次序.请借助以上后者的观点,写出
的值域.
(2)若
的最大值为
,求
的最小值.
(3)若
的最大值为1,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b9a61c77d921d8d839a5b0f0b2bd2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67e90053e85470f4ca6b49d65261086.png)
(1)我们知道,向量数量积对加法的分配律,等价于向量往同一方向投影与求和可以交换次序.请借助以上后者的观点,写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cea7aec78e82b5e87b564732c649657.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47eafbc322e14a62e2684a4a1dc1e9eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3d933c0633f58a2268e692d888faf5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c936a31eea68d7ded7c566fd9ad4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9157af5fc58b6b08ad20628871d764.png)
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8 . (1)证明:当
时,
;
(2)若过点
且斜率为
的直线
与曲线
交于
两点,
为坐标原点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3468ddff079eafd5b6062e230f8ed42a.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1803dc3c76fd2b51696647aa18602412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db192285632d1991b4ee7a003a52205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0482468ee9123843cc9310b1fd7a27b4.png)
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名校
9 . 下列说法正确的是( )
A.设![]() ![]() ![]() ![]() |
B.设![]() ![]() ![]() ![]() ![]() |
C.设![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-04-02更新
|
603次组卷
|
5卷引用:陕西省西安国际港务区铁一中陆港高级中学2023-2024学年高一下学期第一次月考数学试卷
陕西省西安国际港务区铁一中陆港高级中学2023-2024学年高一下学期第一次月考数学试卷河南省新乡市封丘县第一中学2023-2024学年高一下学期期中数学试题(已下线)第二章 平面向量及其应用章末重点题型复习(2)-同步精品课堂(北师大版2019必修第二册)(已下线)高一下学期期中考试--重难点突破及混淆易错规避(苏教版2019必修第二册)江西省宜春市上高中学2023-2024学年高一下学期第二次月考数学试卷
名校
解题方法
10 . 设向量
,
,当
,且
时,则记作
;当
,且
时,则记作
,有下面四个结论:
①若
,
,则
;
②若
且
,则
;
③若
,则对于任意向量
,都有
;
④若
,则对于任意向量
,都有
;
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ec6dba44a83ae69146c26a2eec325c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66717aa3e7a771427c1d4433c77a5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7104776ff89344dbad71ae372b2c6a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a7d6f54bf58a7a4f4ce61e06aefa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bd070c2627a2520b0d9047a9835efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520a520903a0179b3b7ca22c8c08d934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada29fde8bcb4d04ddc6f1d9108cd5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c004c7cf818feb967b88abca38cf27e9.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a55755bb17062042b33d96016491ff.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfbdbb27c06740921709722585131fe.png)
其中所有正确结论的序号为( )
A.①②③ | B.②③④ | C.①③ | D.①④ |
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2024-03-27更新
|
190次组卷
|
4卷引用:河南省商丘市青桐鸣2023-2024学年高一下学期3月月考数学试题
河南省商丘市青桐鸣2023-2024学年高一下学期3月月考数学试题(已下线)专题03 向量的数量积-期末考点大串讲(人教B版2019必修第三册)(已下线)【讲】 专题四 与平面向量有关的新定义问题(压轴大全)吉林省白山市抚松县第一中学2023-2024学年高一下学期5月期中考试数学试题