14-15高三上·上海徐汇·期末
名校
1 . 直线
与直线
,若
的方向向量是
的法向量,则实数![](https://img.xkw.com/dksih/QBM/2015/12/30/1572409109168128/1572409114484736/STEM/91985f69b8e048f4b9488cdad7b13c3a.png?resizew=27)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd8d3777ea7235118a2c275ccc98f13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fef46c501df69b9b9ddda53562beec.png)
![](https://img.xkw.com/dksih/QBM/2015/12/30/1572409109168128/1572409114484736/STEM/dbc03ec2956245db952251b44979eadb.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2015/12/30/1572409109168128/1572409114484736/STEM/7b768c63a24b4533b420329616ddeb8b.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/12/30/1572409109168128/1572409114484736/STEM/91985f69b8e048f4b9488cdad7b13c3a.png?resizew=27)
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9卷引用:2014届上海市徐汇区高三上学期期末考试(一模)理科数学试卷
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2014·全国·一模
名校
2 . 直线2x﹣3y+1=0的一个方向向量是( )
A.(2,﹣3) | B.(2,3) | C.(﹣3,2) | D.(3,2) |
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14-15高三上·上海·期末
3 . 直线
的一个法向量可以是
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461548032/STEM/2ff24e999c154a96a2eeb895f65c0bfb.png?resizew=65)
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13-14高二上·福建·期末
名校
4 . 如图,已知正方形
的边长为
,
分别是
的中点,
⊥平面
,且
,则点
到平面
的距离为
![](https://img.xkw.com/dksih/QBM/2013/2/21/1571111848992768/1571111854448640/STEM/561db7ab-9683-4607-aa46-022c87d2e8fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82d579a717399137b8c6d475d33cd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5f736b1195fef1d2d300168a795f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50398f83e870dbbdcb4af18acae12a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://img.xkw.com/dksih/QBM/2013/2/21/1571111848992768/1571111854448640/STEM/561db7ab-9683-4607-aa46-022c87d2e8fb.png)
A.![]() | B.![]() | C.![]() | D.1 |
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4卷引用:2012-2013学年福建省师大附中高二上学期期末考试理科数学试卷
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12-13高二上·上海·期末
名校
5 . 直线l的一个法向量
(
),则直线l倾角
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd51f24d8d47edec8a5b7efa427d7830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae470980d6e3b53c65b9d42d1f011c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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11-12高二上·陕西·期中
名校
6 . ①直线
的方向向量为
,
,
,直线
的方向向量为
,1,
,则
;
②直线
的方向向量为
,1,
,平面
的法向量为
,
,
,
,则
;
③平面
,
的法向量分别为
,1,
,
,0,
,则
;
④平面
经过三点
,0,
,
,1,
,
,2,
,向量
,
,
是平面
的法向量,则
.
其中真命题的序号是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18fa665058088f6c6be16685402c343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad217e26bd3580c35998109de14cef73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc52922828b27e42d57ee85a14d5182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea709f64feee0685af6cc6a675cfa113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c298630ea352511026decd23862ec1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f079cef4435beed1e08999a2785bc9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab67df2e7247ff2f2707357f1212a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f079cef4435beed1e08999a2785bc9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
③平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4563753d0be85acd13cafab4dd06d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2324a65e345753fdd1db2354bfb0ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a4cd372dd82d30eaa495944301243d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad217e26bd3580c35998109de14cef73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
④平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2bcbc60ca431b3a3e853ae86fe6e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f079cef4435beed1e08999a2785bc9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4570d7e5d38889506b89967c69d0ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650afd13b5215dd71cce0413171b414c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab67df2e7247ff2f2707357f1212a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e84c72c32a70597a1c8ebd76afec9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5192d71829a74681e6dea7efcd368f88.png)
其中真命题的序号是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.②③ | B.①④ | C.③④ | D.①② |
您最近一年使用:0次
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5卷引用:河南省济源市第五中学2022-2023学年高二上学期期末数学试题
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