1 . 已知
,若
三个向量共面,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4832427486ed0924f403038a577da528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.2 | C.3 | D.5 |
您最近一年使用:0次
名校
解题方法
2 . 若平面
的法向量为
,直线
的方向向量为
,
,则下列四组向量中能使
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4721537c33310bfe6754dd6a8aa57647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5989bd9142f77fb06cb49b3e5d43d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1945f382e00ba3feed8c1ea40bb10e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57abcd4537d8a933f85d1f51d716d267.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-03-29更新
|
307次组卷
|
3卷引用:河南省洛阳市2023-2024学年高二上学期期末考试数学试题
解题方法
3 . 下列四对向量中,平行的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 如图,在直三棱柱
中,
为侧棱
的中点;
,则异面直线
与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/97f57eb5-71dd-45d7-b065-8e127d62d10e.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39db3037736901e2fd61c18acec5721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/97f57eb5-71dd-45d7-b065-8e127d62d10e.png?resizew=133)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知
,
,且
,则
和
可分别作为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c71e343ad28f3bebaed45409f5a836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85bfe43ffb5057828dd9836f884715e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.双曲线和抛物线的离心率 | B.双曲线和椭圆的离心率 |
C.椭圆和抛物线的离心率 | D.两双曲线的离心率 |
您最近一年使用:0次
解题方法
6 . 已知点
,
,
,则点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f29383cbb0c8107006136ca3613f73e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b590c9a3a68f71526b19d341a8d855e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4222aef8de0977dc23f46c4b5efaa1dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-12更新
|
206次组卷
|
2卷引用:河南省郑州市2023-2024学年高二上学期1月期末考试数学试题
7 . 已知
为平面
的一个法向量,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,则下列向量是平面
的一个法向量的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0febcd248a676e71458c5749d2f650f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-06更新
|
144次组卷
|
2卷引用:河南省新乡市2023-2024学年高二上学期1月期末测试数学试题
解题方法
8 . 在空间直角坐标系中,已知点
,则点
到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891d1ae77302e7dc47bc468c6e565845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次
9 . 已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d99ffb7b56b2e8a2b0bbcf9e72ad81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38aa6ab9857598d478c26332c29036c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68abd3d322bb5b44e4e8f1b24dd18e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5ed84aadff148fc6603d70b484a96d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 若直线
的一个方向向量为
,平面
的一个法向量为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19edd060653f0c5ceae6ea770db88894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38938d4c3a93170ddfbfc3fb4d8b3aa.png)
A.![]() ![]() ![]() | B.![]() | C.![]() | D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-01-25更新
|
150次组卷
|
2卷引用:河南省南阳地区2023-2024学年高二上学期期末热身摸底联考数学试题