解题方法
1 . 已知点
,线段
的中点坐标为
,向量
,若向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da7544af9e0d48ac4a99c8d5290f789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3752b0e52bd477271496af536fac9026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c9c0e5dd88d898b9b31b6ffa55adff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.2 | B.1 | C.![]() | D.![]() |
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2 . 已知函数
对任意实数x都有
成立,且
,则实数b的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8cba1cafdc793d1bed68beaa8cb31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9077290c4fcd56bc0865a392de636812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcbc974c6be0ee39c723719f4b0c4da.png)
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名校
3 . 将函数
图象上各点的横坐标缩小为原来的
,纵坐标不变,再将所得图象向左平移
个单位长度得到函数
的图象,则
在
上的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3162d2c7b650bba3e401ffbb1e13bb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf9c2a14f31481ee2c32e0434157a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61dff5b63913762b3be82e55a18f3847.png)
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解题方法
4 . 已知向量
,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa1c233545fb3445e743624e1db887f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe0c5d119ec2029a51b2592968d8f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-09更新
|
1466次组卷
|
8卷引用:广东省韶关市新丰县第一中学2022-2023学年高二下学期期中数学试题
名校
解题方法
5 . 设
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b9082ee8dab6c1e4e325c9db6b9f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbab6d6bc7f8bfcd3adff373601745e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-07-06更新
|
666次组卷
|
2卷引用:云南省临沧市民族中学2024届高三上学期开学考试数学试题
名校
6 . 已知向量
,
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d4806428d45917cde867c566fc5f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ce134a42f342277ff7b53f6b1324f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb08530ec5ae98cb3975ba29fd34abc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1c5bcaa260128e281a12f6ef6aacbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
A.![]() | B.![]() | C.3 | D.0 |
您最近一年使用:0次
2023-07-06更新
|
2142次组卷
|
5卷引用:云南省宣威市第三中学2024届高三上学期开学收心考试数学试题
解题方法
7 . 已知向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8bed0b4a1c6dd6b1651f26cb7477814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553aa90c77403804e37a6b306b9dd2ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 设函数
,给出下列命题,不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777e22c91c031fe57dca57da7059ae39.png)
A.![]() ![]() |
B.![]() ![]() |
C.把![]() ![]() |
D.![]() ![]() ![]() |
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2023·全国·模拟预测
名校
解题方法
9 . 已知函数
的部分图象如图所示,将
的图象向右平移
个单位长度,纵坐标不变,横坐标缩短为原来的
倍,得到函数
的图象,若
在
上恰有3个零点,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7842f0d7035a608feca89d1260afde15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ca7d2fde2a0ab2398185e87db8c4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/0e58c544-0338-4cf1-8d46-8feda58f8345.png?resizew=133)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知函数
在
上有且仅有4个零点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1847f72d0732c2d3d0a89f819b7c4c9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451fb37d5feed2d0c92f5f79cadeb0e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad781f309732b76c611eafb09a07886a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1847f72d0732c2d3d0a89f819b7c4c9.png)
您最近一年使用:0次