解题方法
1 . 已知向量
,
,且
,则实数k=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce219b14df1de5b674c4b2d9494c812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f350730f8839782ae02463e6a2d62c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74b1faec6de19167919d004f7966c2a.png)
您最近一年使用:0次
解题方法
2 . 设向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62b622122882a2da860fcf8722ebeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1403d12bcee0eb28218632efff51402c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2023·北京·模拟预测
名校
解题方法
3 . 已知向量
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078fe811d7cb3e3c4f18dd856c01625d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次
2023-05-31更新
|
1554次组卷
|
5卷引用:北京市第四中学2023届高三数学保温测试试题
(已下线)北京市第四中学2023届高三数学保温测试试题广东省深圳市东北师范大学附属中学深圳学校2024届高三下学期3月校内模拟测试数学试题宁夏银川市三沙源上游学校2022-2023学年高一下学期期末考试数学试题(已下线)第01讲 平面向量的概念、线性运算及坐标表示(六大题型)(讲义)福建省福州第四中学2023-2024学年高一下学期第一学段模块检测数学试卷
名校
4 . 已知向量
,
与
共线,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9d765005c3dadd64417c8ccaa6d77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
A.6 | B.20 | C.![]() | D.5 |
您最近一年使用:0次
2023-05-26更新
|
1002次组卷
|
3卷引用:北京市人大附中2023届高三三模数学试题
解题方法
5 . 已知椭圆
的左焦点为
,且
.
(1)求椭圆
的方程;
(2)斜率为
的直线与椭圆
交于不同的两点
,设点
,直线
,
分别与椭圆
交于不同的点
,若
和点
共线,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4037561c629fd07503c6803e1eb62fb6.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37265a2c5a6db6e7571f16286aaed83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f02593198418dc4880ed8af936402ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
6 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d769ab21af5365d3c00dc617375ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076a44dc5e5fe677c26afd8530c2e200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
为平面向量,若
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb371bd7728c6d6a16533a93924ad998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fe017858196226b6fb5fff2e8fdd28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2023-03-19更新
|
647次组卷
|
2卷引用:北京市清华附中2023届高三统练二数学试题
解题方法
8 . 向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07df91693b0fc03f67af98aa3d59fe51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f99645c5aa5800b219c4d9f0baebcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
您最近一年使用:0次
2023-03-18更新
|
1390次组卷
|
4卷引用:北京市石景山区2023届高三一模数学试题
名校
9 . 已知向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38a58d647fee220d2d8af257582e99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
您最近一年使用:0次
2023-03-14更新
|
5270次组卷
|
10卷引用:北京市首都师范大学附属中学2023届高三下旬阶段性检测数学试题
2022·北京·三模
名校
解题方法
10 . 直线
与抛物线C:
交于M,N两点,点P是抛物线C准线上的一点,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb84dbda95f9b186f02602c6c85df15.png)
,其中O为抛物线C的顶点,给出下列命题:
①
,使得
与
平行;
②
且
,使得
与
垂直;
③
不可能是等边三角形;
④无论点P在准线上如何运动,
总成立.
其中,所有正确命题的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb84dbda95f9b186f02602c6c85df15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a69af0799ec8b715676ebb5bb47abce.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18e229673d9d2e6f61cb5c69f3eb9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c968347eabbb636d20b607a3bcfe0ac3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18e229673d9d2e6f61cb5c69f3eb9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c968347eabbb636d20b607a3bcfe0ac3.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
④无论点P在准线上如何运动,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c69a18ac82d772e7c7707efe8f44eb6.png)
其中,所有正确命题的序号是
您最近一年使用:0次