名校
解题方法
1 . 在平面直角坐标系
中,已知直线
与
轴,
轴分别交于
,
两点,点
在圆
上运动.若
恒为锐角,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f01cf3e63de3d8216f3596ea4b0626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-05更新
|
497次组卷
|
3卷引用:江苏省徐州市沛县2021-2022学年高二上学期第一次学情调研数学试题
名校
解题方法
2 . 已知函数
(
),
,若
与
的图像交于A、B两个不同的点,点P在圆C:
上运动,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a3a5c902642602d17fbbf1a995b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e2512fa0dd8a511729929e2a69ad6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e318cefab1d71238b6a770e9d5fe154e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56518c40c4e7c0627f56b145795161b.png)
您最近一年使用:0次
2020-04-17更新
|
366次组卷
|
2卷引用:2019届江苏省姜堰中学、前黄高级中学、淮阴中学、溧阳中学高三下学期4月阶段测试数学试题
名校
解题方法
3 . 已知椭圆
的左右焦点分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84d316b10430afac5b0c065f31e1b2c.png)
,上顶点为B,离心率为e,点P在椭圆上(异于点B).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/b021f21c-8786-4848-8971-fc37ef43da6a.png?resizew=162)
(1)若椭圆C经过点
及
,求
的取值范围;
(2)记直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12279880baa3b90297797bf4d29a265.png)
的斜率分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c87cef1d0bd8b2ee3476a5fa4dbbdc7.png)
,若
,且
,求椭圆C的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84d316b10430afac5b0c065f31e1b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/b021f21c-8786-4848-8971-fc37ef43da6a.png?resizew=162)
(1)若椭圆C经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c3988d58a90ce85be4e65c4a86de45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12604a5a6371ddb77722d04006f5d5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b51ba4eb57c3dad6a9356d4b70dc384.png)
(2)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12279880baa3b90297797bf4d29a265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e02c09428538ce8ae136cff26d3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c87cef1d0bd8b2ee3476a5fa4dbbdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf1ac7607f9d0a1639ec59757aca5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad7dcfc3e70b0b4c3c93136252b9037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db821941a51ba432ffad4ba5cb253cfc.png)
您最近一年使用:0次
4 . 已知集合A={(x,y)|(x﹣3﹣4cosq)2+(y﹣5﹣4sinq)2=4,θ∈R},B={(x,y)|3x+4y﹣19=0}.记集合P=A∩B,则集合P所表示的轨迹的长度为
A.8![]() | B.8![]() | C.8![]() | D.8![]() |
您最近一年使用:0次
2020-03-26更新
|
632次组卷
|
3卷引用:江苏省扬州中学2020-2021学年高二上学期开学检测数学试题
江苏省扬州中学2020-2021学年高二上学期开学检测数学试题(已下线)第2章《圆与方程》 培优测试卷(二)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)2020届湖北省部分省级示范性重点中学教科研协作体高三统一联合考试数学(理)试题
19-20高三上·上海浦东新·期中
名校
解题方法
5 . 已知实数
满足
,
,则
的最大值是__________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b98742125083374e1463de726ca34db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66f4db41478c23128adc14f2796556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
您最近一年使用:0次
2020-02-29更新
|
551次组卷
|
4卷引用:第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)上海市华东师范大学第二附属中学2020届高三上学期期中数学试题2020届湖北省华中科技大学第二附中高三上学期期中数学试题黑龙江省大庆实验中学2019-2020学年高二下学期第五次网上周测数学(理)试题
名校
解题方法
6 . 已知圆
,圆
,直线
分别过圆心
,且
与圆
相交于
两点,
与圆
相交于
两点,点
是椭圆
上任意一点,则
的最小值为___________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948811debe828137d751f874107b6cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa1f806f44c9be10309332a634ed2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64b7ab668d61bcb8ec6d195c672a81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0be4d16f4078f745abf2798cb2b80.png)
您最近一年使用:0次
2019-08-21更新
|
530次组卷
|
4卷引用:第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)上海市奉贤区奉贤中学2018-2019学年高二下学期期末数学试题上海交通大学附属中学2020-2021学年高二下学期开学考数学试题江西省南昌县莲塘第一中学2019-2020学年高二12月月考数学(文)试题
7 . 如图,已知
,
为
的中点,分别以
,
为直径在
的同侧作半圆,
,
分别为两半圆上的动点(不含端点
,
,
),且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/12777a96242feadf7964af7823b7450c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246322a78486fabd66c65dafba8b362d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/180ac02e-b6cb-42f0-8dcb-a9febd98f308.png?resizew=212)
您最近一年使用:0次
2018-06-01更新
|
1959次组卷
|
5卷引用:第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)【全国市级联考】辽宁省葫芦岛市2018年普通高中高三第二次模拟考试 数学理天津市2020届数学模拟试题上海市黄浦区格致中学2021届高三上学期期中数学试题(已下线)专题4平面向量综合闯关 (提升版)
8 . 如图,△ABC为等腰三角形,
,
,以A为圆心,1为半径的圆分别交AB,AC与点E,F,点P是劣弧
上的一点,则
的取值范围是______ .
![](https://img.xkw.com/dksih/QBM/2018/1/31/1872448930963456/1873498952097792/STEM/6bdc773b8bea47aba8f7eca30b0571b1.png?resizew=252)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e124a392dc84fcc1662fe6d896aa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e778fcd92a0c8890b5cd7bed0615486.png)
![](https://img.xkw.com/dksih/QBM/2018/1/31/1872448930963456/1873498952097792/STEM/6bdc773b8bea47aba8f7eca30b0571b1.png?resizew=252)
您最近一年使用:0次
2018-02-02更新
|
1924次组卷
|
4卷引用:江苏省苏州市2018届高三调研测试(理)数学试题
11-12高三上·广东·期末
名校
9 . 已知曲线
的极坐标方程是
,直线
的参数方程是
(
为参数).设直线
与
轴的交点是
,
是曲线
上一个动点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1feb4dd0d2f802a0a2577b291f078036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2016-12-02更新
|
1921次组卷
|
5卷引用:2016届江苏省淮安市高三5月信息卷(最后一模)考试数学试卷
2016届江苏省淮安市高三5月信息卷(最后一模)考试数学试卷【市级联考】江苏省南通市2019届高三阶段性学情联合调研数学试题(已下线)2011届广东省实验中学、华师附中、深圳中学、广雅中学高三上学期期末数学理卷(已下线)2014届高考数学(文)三轮专题体系通关训练倒数第3天练习卷【全国百强校】河北辛集中学2018届高三8月月考数学(文)数学试题