名校
1 . 定义一个对应法则
.现有点
与点
,点
是线段
上一动点,按定义的对应法则
.当点
在线段AB上从点A开始运动到点B结束时,点M的对应点
所经过的路线长度为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af10803ef1f49c911b33f47ba98c251d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0778813665f307942db9769077032f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24759fb552ac9a791e0de5d5a034394e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2934b5c01f6eacbc10146b3525ad3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
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13-14高一下·山东淄博·期中
名校
2 . 设O为坐标原点,C为圆
的圆心,圆上有一点
满足
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7bc172e0fe23a46bb6de6c837cdb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63868d6efd61ac6ce4148e95ae55fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2016-12-03更新
|
1438次组卷
|
3卷引用:重庆市涪陵区涪陵高级中学校2019-2020学年高二上学期第一次诊断性考试数学试题
12-13高三·吉林·期末
3 . 若直线
始终平分圆
的周长,则
的最小值为
![](https://img.xkw.com/dksih/QBM/2013/9/5/1571340830416896/1571340836061184/STEM/feb04fc894324b74a39b4aa6ae4e0371.png)
![](https://img.xkw.com/dksih/QBM/2013/9/5/1571340830416896/1571340836061184/STEM/ee1ed4ab836c437586059ac65773485b.png)
![](https://img.xkw.com/dksih/QBM/2013/9/5/1571340830416896/1571340836061184/STEM/f17009c7ec97417cb48ff059bded17de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知圆
和两点
,若圆
上存在点
,使得
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a694f16e489eccbc656513cc0182ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c99bc0bfb03fb9930fa70039432c48c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff22c4f29854a0acd5dd1a397ad3ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
2016-12-04更新
|
695次组卷
|
3卷引用:2015-2016学年重庆八中高二下阶段性检测五文科数学试卷
2015-2016学年重庆八中高二下阶段性检测五文科数学试卷(已下线)专题9.4 直线与圆、圆与圆的位置关系(练)【理】-《2020年高考一轮复习讲练测》甘肃省兰州市等2地、天水市第三中学等2校2022-2023学年高二上学期期中数学试题
11-12高三下·重庆·阶段练习
解题方法
5 . 过三点
,
,
的圆交
轴于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9ece4ff94b2b1c4cc7ee25000f996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f3cd3027a533dd07220f161c958602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2ddef2d6fa12972a93510a23566359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
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6 . 已知集合
,
,若
,则
的最小值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74341b662fde4eb6939fcd90fa0ea11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665f8bcf4ab0ca82a51bf0eddf175cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede280b7d4529ca9afb08bff174225ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c918ca5d4e6d46ed130f85e5fa608d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
13-14高一上·湖南·期末
7 . 直线
被圆
所截得的弦长为
![](https://img.xkw.com/dksih/QBM/2013/3/12/1571136082362368/1571136087506944/STEM/7eb5628b6fb44ce3891adaa6eacf629c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ff8b203461fc09af936629f6b51527.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10-11高二下·北京·阶段练习
8 . 在长方体
中,已知底面
为正方形,
为
的中点,
,
,点
为正方形
所在平面内的一个动点,且满足
,求线段
的长度的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db57eca2a7cbd91bc57372592580a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a01292ba9b86837acd691c1c9384f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
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9 . 已知直线
和直线
分别与圆
相交于
和
,则四边形
的内切圆的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968d2be5e17b8a3b37ce7e0ee891706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4216f50e2c793dd36fe27f3b4cb84e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7310e053b4b83d8bb1afbf42cf57a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
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名校
解题方法
10 . 已知点
, 在抛物线
上任取一点
,作
轴,垂足为
,
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885e3f2fb6994977ae6d9d8425613da8.png)
(1)求
;
(2)已知圆
,设
(
且
)为圆
外一点,过点
作圆
的两条切线
和
,
交
于两个不同的点
,
,
交抛物线
于两个不同的点
,
,且
,求点
的轨迹方程,并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bbde2076bfa6dd859f7787e155ab8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dbffaf5a3fc708f23bf6e44cbc25a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb509a172e9821b63370f178d06dc2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885e3f2fb6994977ae6d9d8425613da8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948811debe828137d751f874107b6cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379be5b2433ea5a4ff2f32537459948c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe8dc8e5def7d46b88535453ae1fd96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d14d14310aaf4630c169e8d7b2a9cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34494f6910d4e081d89d1136c8cdff4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce425bceb12b035f4ea44ebcd5f4519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
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