1 . 已知单位向量
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7a15c81b371d7f7dfdb90cdb57e067.png)
(1)求
的值;
(2)设
与
的夹角为
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7a15c81b371d7f7dfdb90cdb57e067.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2168f5bd84030844be63c929211c68e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4e49d17d4ad440d37c6f4bc8daba25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
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解题方法
2 . 已知向量
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc2145bfc9ae2e53323a1c21c5dff68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18099c20bd2ce19950f37538f2c56a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
3 . 如图所示,
为线段
外一点,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfaf61a42afa433bb0c39c09d7ff940.png)
中任意相邻两点间的距离相等,
,则用
表示
,其结果为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e835b233dea6fc265232a7306f05f597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfaf61a42afa433bb0c39c09d7ff940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381e7130b20a45ddb91ccfcb037042c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3daec75ea140ec396ea83ca429b0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a3291b124563eb0416de6508fc9f2a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9卷引用:山东省泰安市泰山国际学校2023-2024学年高一下学期3月月考数学试题
山东省泰安市泰山国际学校2023-2024学年高一下学期3月月考数学试题山东省淄博市高青县第一中学2023-2024学年高一下学期期中考试数学试题山东省济宁市兖州区2023-2024学年高一下学期期中质量检测数学试题陕西省咸阳市实验中学2023-2024学年高一下学期第一次月考数学试题北京市陈经纶中学2023-2024学年高一下学期期中练习数学试卷(已下线)【讲】专题五 平面向量的综合问题(压轴大全)(已下线)专题1 以线性运算为背景的复杂问题【练】(高一期末压轴专项)天津市南仓中学2023-2024学年高一下学期第二次月考数学试卷福建省安溪第一中学2023-2024学年高一下学期5月份质量检测数学试题
名校
4 . 复数
的虚部为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9f07b9d3456d31dd7b92d08f4a3bf3.png)
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3卷引用:山东省聊城第一中学等部分学校2023-2024学年高一下学期5月质量监测联合调考数学试题
解题方法
5 . 已知非零向量
,
,则
在
方向上的投影向量长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007c3b500021fac4afec4448b1508732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a235d07efd53f36d3fab3aa810a12238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bc738415f0fd10f03838a65d2cae6.png)
,函数
的图象关于点
对称,且函数
图象上相邻最高点和最低点的距离为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bc738415f0fd10f03838a65d2cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3731e4fe7dbd8899acb023f8647b71af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48c759683208fa7b46e31f8bf0beede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
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解题方法
7 . 在等腰梯形
中,
,
,
,
.
与
垂直,求
的值;
(2)若
为
边上的动点(不包括端点),求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4aa43d2e64e857267e706e1f50f5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d01872723102269f05c9d1b77c6e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405eedd8483df63eab469ef47c077ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88110a41c498a765c88161d0c3d6c705.png)
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8 . 若
是不共线的向量,且
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98fbdc2406a88b81a1b334896d1c242e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a932fca4d0861a21e9fb2b798ed8d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e26251d4e642e77dc47481c4d548da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea25819af791e3a59c3e4f99c95c2beb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 如图,矩形
是水平放置四边形
的直观图,若
,
,则原四边形
的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c50761ecded661f55e4312dd40d075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9458968b0703e1ae8a6f23386fffba11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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10 . 已知向量
,且函数
在
时的最大值为
.
(1)求常数
的值;
(2)当
时,求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459d921b08df469e314020aba6c4523d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdebb94db5f8754ccf12ca9999be1b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47cfe4e08c06bde245e58aa22485044c.png)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27794407a3d82a6746f7e0871051f486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2卷引用:山东省济宁市第一中学2023-2024学年高一下学期6月月考数学试题