名校
解题方法
1 . 五一假期,杭州吴山广场的鸽子吸引了众多游客.热爱摄影的小华计划在广场一角架设一台可转动镜头的相机,希望可以捕捉到鸽子的展翅瞬间.小华设计了一个草图,为简化模型,假设广场形状为正方形,边长为1,已知相机架设于A点处,其可捕捉到图像的角度为
,即
,其中P,Q分别在边
,
上,记
.
与
相交于点R,当
时,
(ⅰ)求线段
的长;
(ⅱ)求线段
的长;
(2)为节省能源,小华计划在广场上人员较多的时段关闭相机镜头的自动转动功能,为使相机能够捕捉到的面积(即四边形
的面积记为S)最大,
应取何值?S的最大值为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7ea65be0351e839d45d598dfb254b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5e2024c868a5b6fd6da53881422e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233833048b34c91d3221ca3aa88468a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff937114137ebad16c7576bf2849b00.png)
(ⅰ)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab64bf465405cd87bb03f8cb61cb315.png)
(ⅱ)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0998f562e478421adae3377aa700e5.png)
(2)为节省能源,小华计划在广场上人员较多的时段关闭相机镜头的自动转动功能,为使相机能够捕捉到的面积(即四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be87b8293fbf86e305d09cc19fd42f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2 . 已知
为虚数单位,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.若复数![]() ![]() |
B.若复数![]() ![]() ![]() |
C.若复数![]() ![]() ![]() ![]() |
D.若复数![]() ![]() ![]() |
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3 . 下列命题正确的是( )
A.向量![]() ![]() ![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.在平面直角坐标系![]() ![]() ![]() ![]() ![]() |
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解题方法
4 . 若直线
与圆
交于两点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b3ca2f87e9133568897ac8910ffbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ce70cc77ac33b5e5831805569352b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.当![]() ![]() ![]() |
B.圆![]() ![]() |
C.圆![]() |
D.![]() ![]() |
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名校
解题方法
5 . 已知点
,过点P的直线l与x轴、y轴的正半轴分别交于A,B两点,O点为坐标原点,则
的周长的最小值为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2719ce8a1c0aaa60da102db5712d63e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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6 . 在复平面内,复数
对应的点到点
的距离是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1083b2e1b3bb34c2baa94c4bc0a09cb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7570c77bd375f4dfdffee64fce8d1a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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7 . 在长方体
中,
,
,
,以
为原点,
、
、
所在直线分别为
轴、
轴、
轴的正方向,建立空间直角坐标系,则点
可用有序数组
表示.空间中任意一点可用有序数组
表示,定义空间中两点
,
的距离
.
为边
(含端点)上的动点,证明:
为定值;
(2)
,
,
为空间中任意三点,证明:
;
(3)若
,
,其中
、
、
,求满足
的点
的个数
,并证明从这
个点中任取11个点,其中必存在4个点,它们共面或者以它们为顶点的三棱锥体积不大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5d5dc7fd9e2a9ebac16a4147979d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9ce42d7ae1d4b67045e78c3ab05f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9e23910557d245d6e7d5959d91e135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a334cd1d83ebe328877006f689e28bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66066f64a28eb515f8de3a4e063292e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5ff1d52b11822af84e82488a9e546e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d594e1827f2d6d03295009b1ed75b3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f92b567c6128f0ada19a3b7a243abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2beb0dd80eb2f71473e399c1332ce71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f0eabf0b9199ff58f94b72507b051a.png)
![](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/e50c35157956d1d4679598ee26bd408d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63a978622110d66c5fdb4c9ed08539b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c289e83620c6a6f873d116eed1e053f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba96eac12eb5f43f43b74d7f513f725e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ecc49abb6be7701f68cfc09598c324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c7f3377167e892a662c15787b372f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
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8 . 函数
的图象恒过定点
,若点
在直线
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d29a5200df8e454cb7a16385503f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d36828e65914f36a5509edd616434e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
9 . 已知
三点共线,其中
,点
关于
轴的对称点为点
,给出下面四个结论:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
不可能 为等边三角形;
②设
,则当
最大时,
;
③
;
④当AB不与
轴垂直时,直线
过定点.
其中正确结论的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57988361c24c97a8879a79da797f791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4388577dc452ba9d9caf47d81e6f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adebff9fb726cd58eda1ef994890901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1a8c1ddf518d896001b32fa594576b.png)
④当AB不与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
其中正确结论的个数为( )
A.1 | B.2 | C.3 | D.4 |
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名校
解题方法
10 . 已知直线
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746578d17b88ba81960bf91dd619fe16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
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2024-05-08更新
|
992次组卷
|
3卷引用:广东省茂名市高州中学2023-2024学年高一下学期期中考试数学试题(创新班1-3班)