22-23高三上·江苏南通·阶段练习
名校
1 . 已知圆
,若对于圆
上的任意一点
,都有
,则正数r的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feb42ff9c7e14c17bd9143870497862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1e7c9266a636716b78f951bca4c229.png)
A.1 | B.2 | C.3 | D.4 |
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2 . 平面内给定三个向量
,
,
.
(1)求满足
的实数
,
;
(2)设
满足
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dde9cb3c2c078d44940f226ca200762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dc9f82e788085e0bb47709afd53785.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e42925ac53ad249ebd3a2365fb9741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165dc98317293a68921a4405eb9711e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842a5951171e63d5e31c7ab3e05423e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100b7372aaa1f64f41bb8e7403b4e176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ab4dc61186ca58bb0605cb6d02df0.png)
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3 . 设向量
,
,且
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6234d132ead5cf8194883f1b3fe22622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b391b0be5ac684e45b7bc7e13d344de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.5 | C.3 | D.![]() |
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2020-06-26更新
|
447次组卷
|
4卷引用:江苏省南通市海门市包场高级中学2019-2020学年高二下学期新高考第一次适应性考试数学试题
江苏省南通市海门市包场高级中学2019-2020学年高二下学期新高考第一次适应性考试数学试题江苏省徐州市第一中学2020届高三下学期6月第一次适应性考试数学试题(已下线)专题13 平面向量-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题05 平面向量-2020年高考数学(文)母题题源解密(全国Ⅱ专版)
解题方法
4 . 如图,平面内
与
的夹角为
,
与
的夹角为
,且
,
,若
,则
( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/0fdb7545-ce33-4e3f-af1f-1212cb09ca6b.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf2d033664f89ef059ac8303622a3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996bf3d35b6763cbc1a423b13a9df2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9bb378667672539c2cfc505b8f7b6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d0fdf5523dad2df2226ba4dc6b9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255dcc28ae10cc03f3914a090f79604b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/0fdb7545-ce33-4e3f-af1f-1212cb09ca6b.png?resizew=184)
A.4 | B.5 | C.6 | D.7 |
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2020-06-26更新
|
404次组卷
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2卷引用:江苏省扬州市宝应中学2023-2024学年高一凌志班上学期9月月度纠错数学试题
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解题方法
5 . 在平面直角坐标系xoy中,已知点A(1,3),B(2,-2),C(4, 1).
(1)若
求点D的坐标;
(2)设实数k满足
,求实数k的值.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb3c2a0eec15e04288f50b93b349df9.png)
(2)设实数k满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db14886c4627fb968bf52c382d00ffaa.png)
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2020-10-30更新
|
381次组卷
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3卷引用:江苏省泰州市姜堰市2020-2021学年高三上学期综合检测数学试题
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解题方法
6 . 在平面直角坐标系中,向量
(3,4),向量
,(λ<0),若
=1,则向量
的坐标是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7481aca88fa2c15f6f9162080b37f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82d81230b3ecc7e9b935dd41c1b74f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9667f6c0eac65be9c5e10f966af41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
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2020-03-04更新
|
376次组卷
|
3卷引用:江苏省扬州市新华中学2020-2021学年高一下学期第一次月考数学试题
名校
解题方法
7 . 在平面直角坐标系
中,已知点
、
、
.
(1)若
,求点
的坐标;
(2)设实数
满足
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca979687ffb2214e747525635a6912c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2932df2a491cd8f7441dd60e7a3c9a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f56120e30c41aa77a37eb4d46f6390.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6898da43dfe3b05cb668d8369edbc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)设实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c834d2c5aefd10e437a6733fadd46f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2021-08-17更新
|
217次组卷
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2卷引用:江苏省泰州市姜堰中学2020-2021学年高三上学期10月月考数学试题
8 . 如图所示,规定每个小方格的边长是
,又已知向量
、
、
.
![](https://img.xkw.com/dksih/QBM/2022/3/23/2942360372477952/2945042038095872/STEM/5b1966ea-401f-4bf6-9654-8c56af427cf9.png?resizew=153)
则(1)若用向量
、
表示向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44debd1a82e235d29f93e395808b4854.png)
________________ ;
(2)向量
与
的夹角为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://img.xkw.com/dksih/QBM/2022/3/23/2942360372477952/2945042038095872/STEM/5b1966ea-401f-4bf6-9654-8c56af427cf9.png?resizew=153)
则(1)若用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44debd1a82e235d29f93e395808b4854.png)
(2)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
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9 . 已知向量
.
(1)若
,求实数
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a414c99085f64a01c1331fe231016e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f280f438c5f81d59d249276a1ecf5524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46547c2102baf9d3af265444df931edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次