13-14高三·全国·课后作业
填空题-单空题
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较易(0.85)
1 . 给出下面四个结论:
①对于实数p和向量a,b,有p(a-b)=pa-pb;
②对于实数p,q和向量a,有(p-q)a=pa-qa;
③若pa=pb(p∈R),则a=b;
④若pa=qa(p,q∈R,a≠0),则p=q.
其中正确结论的序号为_____ .
①对于实数p和向量a,b,有p(a-b)=pa-pb;
②对于实数p,q和向量a,有(p-q)a=pa-qa;
③若pa=pb(p∈R),则a=b;
④若pa=qa(p,q∈R,a≠0),则p=q.
其中正确结论的序号为
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2 . 判断下列命题是否正确(正确的在括号内打“√”,错误的打“×”).
(1)
.( )
(2)
.( )
(3)
.( )
(4)
.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1822ed1d5dc8dbc7eb3df3a2ebf383.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041b78c6299d5543a50671e4cdccd71c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a50e1688a4992c77b7071a37911d2a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c45c13ae9649f0377df9b64d15f1897.png)
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14-15高一上·江西吉安·期末
名校
3 . 下列说法正确的是_________ (请把你认为正确说法的序号都填上).
①与
共线的单位向量是
;
②函数
的最小正周期为
;
③
是偶函数;
④
是
所在平面内一点,若
,则
是
的垂心;
⑤若函数
的值域为
,则
的取值范围是
.
①与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc1805ec3700c2838b450733bbde84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ef070e1ea4fd5b7ef03df5ac17a32d.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8639eae0325866c58acd33302151d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a2568916bd7fe1af66a198efa05e19.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85b3f3fb7deaff14edd3a49c1007db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
⑤若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a2dfab6841ab9f0fc04a0e40ef3227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8a881a01dcca87f957e18c882d4318.png)
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2016-12-02更新
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1484次组卷
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3卷引用:2013-2014学年江西省吉安市高一上学期期末考试数学试卷
(已下线)2013-2014学年江西省吉安市高一上学期期末考试数学试卷江西省宜春市丰城市丰城九中2018-2019学年高一上学期期末数学试题江西省南昌市进贤一中2019-2020学年高一上学期期末考试数学试题
4 . 已知
、
是两个非零向量,判断下列说法是否正确,并说明理由.
(1)
与
是共线向量,且
的模是
的模的2倍;
(2)
与
的方向相同,且
的模是
的模的
;
(3)
与
是一对相反向量;
(4)
与
是一对相反向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c0dc6d6d80c0ac3b7f8293308dde5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c0dc6d6d80c0ac3b7f8293308dde5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019a02040f516e4a11d9d2450867d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3daa31067c1cfc51ab8e5f8f7010951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019a02040f516e4a11d9d2450867d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3daa31067c1cfc51ab8e5f8f7010951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c0dc6d6d80c0ac3b7f8293308dde5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5629794de85103eaa127c44144a29b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ff655de43e2bfea4ed9ae34e36de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c9314d93ae08d4e6dfd1f575f076c9.png)
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