名校
1 . 如图,正方形ABCD边长为1,以AB为直径作半圆,点
是CD中点,BP与半圆交于点
,连接DQ.下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/23c4248b-c6ad-416e-a255-9dbc74b72132.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/23c4248b-c6ad-416e-a255-9dbc74b72132.png?resizew=138)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 图1所示矩形ABCD中,
与
满足的反比例函数关系如图2所示,等腰直角三角形AEF的斜边EF过
点,B、D分别在边AE、AF上,
为EF的中点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f0d064cb-1753-4eb8-9fa3-953f07423089.png?resizew=300)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3655b2287500dab9f852936a9f72d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f0d064cb-1753-4eb8-9fa3-953f07423089.png?resizew=300)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
名校
3 . 如图,菱形
的顶点
与原点重合,点
在
轴上,点
的坐标为
.将菱形OABC绕点
逆时针旋转,每次旋转
,则第2022次旋转结束时,点
的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/ad986c96-1fe9-4120-a498-26b264c038ab.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceff0e7d103475c3ba9a2712f373185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0468237bbc0d3df77435d98b817c10c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/ad986c96-1fe9-4120-a498-26b264c038ab.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知,直角三角形
如图所示放置,
,反比例函数
经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/b90e12a5-654f-4aee-b55e-2af23bc11fac.png?resizew=165)
(1)求点A,B的坐标及
的值;
(2)求反比例函数及直线
的表达式;
(3)将直线
向上平移
个单位长度后,与反比例函数图象只有一个交点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a19f3d7e7b598ed3b524eec99acb7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4725178926e7c9976d2b3230ff0ea7a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/b90e12a5-654f-4aee-b55e-2af23bc11fac.png?resizew=165)
(1)求点A,B的坐标及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求反比例函数及直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)将直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ec1e326713ddcd6dd66a24a809bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 如图,直线
分别与⊙O相切于点
,
,
的周长_______ cm.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7b451b5272f2f0d6e08791321649fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65183d238c9bc2be73770717d890683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f59f0d0e6e1f6456d4a07d45a40090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/f3ac61bd-3d5f-4ce2-a96d-1e57d463d588.png?resizew=177)
您最近一年使用:0次
名校
6 . 如图,两条笔直的公路
相交于点
,
为
,指挥中心
设在
路段上,与
地的距离为18千米.一次行动中,王警官带队从
地出发,沿
方向行进,王警官与指挥中心均配有对讲机,两部对讲机只能在10千米之内进行通话,通过计算判断王警官在行进过程中能否实现与指挥中心用对讲机通话.(参考数据:
.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28e6cc4f42217b76402b2e778352867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4411fccd3b60031fb5fe30a45cfa21.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/54cf4aa8-cee2-4b17-86b3-62603bfcdf51.png?resizew=171)
您最近一年使用:0次
名校
7 . 如图,在正方形
中,
,
分别为
的中点,
为
边上更靠近点
的三等分点,一个质点
从点
出发(出发时刻
),沿着线段
作匀速运动,且速度
,记
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/9662bdb1-d20c-42a4-b515-6ac65a01bb75.png?resizew=141)
(1)当质点
运动
后,求
的值;
(2)在质点
从点
运动到点
的过程中,求
关于运动时间
(单位:
)的函数表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49caee3119b29a99e62cbe419fb261fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46c696ff5f123a482bae81cf9a1b570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11657ddf7bb045b094a82c9c56637601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d6016de95d23c9d03bbda86650114a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baaa2d65026770c5505f8adeb450e43b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/9662bdb1-d20c-42a4-b515-6ac65a01bb75.png?resizew=141)
(1)当质点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f48ee171e5a03b420bf718fde62dcb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)在质点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65502a7ea4d1ce6d6d8c720845c73e0.png)
您最近一年使用:0次
2024-01-11更新
|
94次组卷
|
3卷引用:河北省保定市部分高中2023-2024学年高一上学期12月期中考试数学试题
名校
8 . 已知
,点
在第二象限运动
,求
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faae6b35580d44148636042231cab9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5479a3dc9e022f1c6aab7086852ab59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e155a835f92620af4ac66a9f666789.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
9 . 如图①,抛物线
与
轴交于A,B两点(点A位于点
的左侧),与
轴交于点
.已知
的面积是6.
(1)求
的值;
(2)求
外接圆圆心的坐标;
(3)如图②,
是抛物线上一点,
为射线CA上一点,且P、Q两点均在第三象限内,Q、A是位于直线BP同侧的不同两点,若点
到
轴的距离为
的面积为2d,且
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f70cd988388637fb505669d170d63df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)如图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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d16dceff92938a2414df788e86540d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd9b796c8d38f5e69dbb6dfb0464518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
名校
10 . 2023年第19届亚运会在中国浙江杭州举行,杭州亚运会以“中国新时代杭州新亚运”为定位、“中国特色、浙江风采、杭州韵味、精彩纷呈”为目标,秉持“绿色、智能、节俭、文明”的办会理念,坚持“以杭州为主、浙江全省共享”的办赛原则,会前,为喜迎亚运,某商场组织了“文明迎亚运”知识竞赛活动,每名参赛者需要回答A、
、
三道题目,通过答题获得积分,进而获得相应的礼品.每题答错得0分,答对A题目得1分,答对
、
题目分别得2分,每名参赛者的最后得分为每题得分的累积得分,已知一名参赛者答对A题目的概率为
,答对
、
题目的概率均为
,并且每题答对与否相互独立.
(1)求该名参赛者恰好答对两道题目的概率:
(2)求该名参赛者最终累积得分的分布列和数学期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
(1)求该名参赛者恰好答对两道题目的概率:
(2)求该名参赛者最终累积得分的分布列和数学期望.
您最近一年使用:0次
2023-12-31更新
|
715次组卷
|
2卷引用:河北省保定市部分重点高中2024届高三上学期12月期末数学试题