名校
解题方法
1 . 圆
.
(1)若圆
与
轴相切,求圆
的方程;
(2)求圆心
的轨迹方程;
(3)已知
,圆
与
轴相交于两点
、
(点
在点
的左侧).过点
任作一条直线与圆
相交于两点
、
.问:是否存在实数
,使得
?若存在,求出实数
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baffee74f1aebae897c4ac6abe8e6916.png)
(1)若圆
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5ce23462dfd28929430b74b9590940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-22更新
|
772次组卷
|
3卷引用:江西省信丰中学2018-2019学年高二上学期第四次月考数学(理A)试题
2020高二·浙江·专题练习
名校
2 . 如图,在平面直角坐标系
中,已知圆O:
,过点
且斜率为k的直线l与圆O交于不同的两点A,B,点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/5042c9ee-bd0a-4184-8fa3-f7219cd59495.png?resizew=185)
(1)若直线l的斜率
,求线段AB的长度;
(2)设直线QA,QB的斜率分别为
,
,求证:
为定值,并求出该定值;
(3)设线段AB的中点为M,是否存在直线l使
,若存在,求出直线l的方程,若不存在说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e298293515d3c5d8343b668fe8541d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96851165a69aea97838d5d48dd9a620.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/5042c9ee-bd0a-4184-8fa3-f7219cd59495.png?resizew=185)
(1)若直线l的斜率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc66cd5ccd5a579a42c6a241c62d764.png)
(2)设直线QA,QB的斜率分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
(3)设线段AB的中点为M,是否存在直线l使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad83bcf0635b447bd4e95a4be34bf19.png)
您最近一年使用:0次
2020-01-04更新
|
900次组卷
|
7卷引用:【新东方】杭州高二数学试卷233
名校
3 . 如图,在平面直角坐标系
中,已知点
,圆
:
与
轴的正半轴的交点是
,过点
的直线
与圆
交于不同的两点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/ec101ce9-c40c-4f1a-8e03-2d2cc69aca41.png?resizew=179)
(1)若直线
与
轴交于
,且
,求直线
的方程;
(2)设直线
,
的斜率分别是
,
,求
的值;
(3)设
的中点为
,点
,若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7703165c3a15c78118f08e62ddca8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/ec101ce9-c40c-4f1a-8e03-2d2cc69aca41.png?resizew=179)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53da03483697543eeae841aebcd50d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c965b6673b5fe3164325ef11d4908e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905bff4015a5740df742efc7250f43d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1ddff9c93c234562c44d1808831bc5.png)
您最近一年使用:0次
2020-03-31更新
|
1575次组卷
|
7卷引用:浙江省绍兴市柯桥中学2019-2020学年高二上学期期中数学试题
浙江省绍兴市柯桥中学2019-2020学年高二上学期期中数学试题江苏省南通市启东中学2019-2020学年高一(普通班)下学期期初考试数学试题江苏省南通市启东中学2019-2020学年高一(创新班)下学期期初考试数学试题(已下线)专题08 直线和圆的方程的压轴题(二)-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)(已下线)专题07 《圆与方程》中的解压题压轴题(1)-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)浙江省宁波市余姚市梦麟中学2022-2023学年高二上学期10月月考数学试题浙江省衢州市江山中学2023-2024学年高二上学期10月阶段性检测数学试题
名校
解题方法
4 . 已知以
为圆心的圆
.
(1)若圆
与圆
交于
两点,求
的值;
(2)若直线
和圆
交于
两点,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
(1)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8787a77749f97ebdc4613d085d65a340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d299e3d804f5f01f35a4e13797b1f7bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-14更新
|
1117次组卷
|
4卷引用:安徽省池州市2019-2020学年高二上学期期末文科数学试题
名校
解题方法
5 . 蝴蝶定理因其美妙的构图,像是一只翩翩起舞的蝴蝶,一代代数学名家蜂拥而证,正所谓花若芬芳蜂蝶自来.如图,已知圆
的方程为
,直线
与圆
交于
,
,直线
与圆
交于
,
.原点
在圆
内.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/d706ddfe-8f02-45a3-9df8-5626bcacedb3.jpg?resizew=174)
(1)求证:
.
(2)设
交
轴于点
,
交
轴于点
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb25839d2dffa75ea5d6dfed7856dea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0b0236c1095bf360676eb2f3c3d4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234966ff2e285995cfff106ffd608862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8f4b9801bfe085794e3d1694fa6aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafd33841f381e4caafe1790a8b76530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2591f3b5d2b567d43fd8cdf39566e8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717485034fa2e883c1ab95c34375ea89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/d706ddfe-8f02-45a3-9df8-5626bcacedb3.jpg?resizew=174)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703ab77c068b81453c5b640d3cbb964c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030c0325fde242e06cee8d270ba89d68.png)
您最近一年使用:0次
2020-03-06更新
|
964次组卷
|
6卷引用:江西师大附中2019-2020学年高二上学期月考数学(理)试题
江西师大附中2019-2020学年高二上学期月考数学(理)试题(已下线)第02章 章末复习课-2020-2021学年高二数学课时同步练(人教A版选择性必修第一册)(已下线)专题06 直线和圆的方程的典型题(二)-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)(已下线)专题02 《圆与方程》中的典型题(2)-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)(已下线)第五篇 向量与几何 专题11 圆锥曲线中的蝴蝶定理 微点3 圆锥曲线中的蝴蝶定理综合训练(已下线)重难点突破18 定比点差法、齐次化、极点极线问题、蝴蝶问题(四大题型)
名校
6 . 在平面直角坐标系
中,已知直线
与
轴交于点
,点
在直线
上,直线
上有且仅有一点
满足:
(
、
、
两两互不相同),则点
的横坐标的所有可能值之积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f38d84574b308eada50dec53830b173.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ffd598e272d5e40d2cee06a7c05f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.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/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2019-09-19更新
|
345次组卷
|
2卷引用:江苏省南通市海安高级中学2019-2020学年高三上学期9月月考数学试题
名校
7 . 已知曲线C上任意一点到
的距离与到点
的距离之比均为
.
(1)求曲线C的方程;
(2)设点
,过点P作两条相异直线分别与曲线C相交于E,F两点,且直线PE和直线PF的倾斜角互补,求线段EF长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6ce39c72b38fa1a2b3275188b27689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c6e58ccbc2c37baf9706c530437b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求曲线C的方程;
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6361ceaa9240fb7b971d62a1fedf6365.png)
您最近一年使用:0次
2020-08-05更新
|
547次组卷
|
5卷引用:四川省成都市双流中学2018届高三11月月考数学(文)试题
四川省成都市双流中学2018届高三11月月考数学(文)试题江西省会昌中学2018-2019学年高二上学期第一次月考数学(文)试卷(卓越班)人教B版(2019) 选择性必修第一册 必杀技 第二章 平面解析几何 2.4 曲线与曲线方程 第2.4节综合训练(已下线)测试卷18 圆的方程(B)-2021届高考数学一轮复习(文理通用)单元过关测试卷人教B版(2019) 选修第一册 过关检测 第二章 第2.4~2.5节 综合把关练
名校
8 . 已知圆
:
,过圆
外一点
作该圆的一条切线,切点为
,
为坐标原点,且有
.
(1)求点
的轨迹方程
;
(2)若轨迹方程
与圆
相交于
,
两点,
为原点,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79d792674597a06e96c8a748654e80d.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e479206b9f151892d3a5ba217c451f.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若轨迹方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc3681ab02f2e2388ade52c3141e5f5.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0b06dc01c30d13f64be2ac6a1d811e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 如图,圆
与
轴交于
、
两点,动直线
(
)与
轴、
轴分别交于点
、
,与圆交于
、
两点(点
纵坐标大于点
纵坐标).
,点
与点
重合,求点
的坐标;
(2)若
,
,求直线
将圆分成的劣弧与优弧之比;
(3)若
,设直线
、
的斜率分别为
、
,是否存在实数
使得
?若存在,求出
的值,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f24e616b5a35ff372c78c1472f156ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70dcb8f9fffd4ed2f8d1e131f6bbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbbc4d9fe71c8e1acd808e8e96d327c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 已知圆心在
轴上的圆
与直线
切于点
、圆
.
(1)求圆
的标准方程;
(2)已知
,圆
于
轴相交于两点
(点
在点
的右侧)、过点
任作一条倾斜角不为0的直线与圆
相交于
两点、问:是否存在实数
,使得
?若存在,求出实数
的值,若不存在,请说明理由、
![](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/7628077dddf3fcdaeabfa6fe12e99d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fc904f37f1e6df4893c89c948e300c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3d1c57db88154541c5b0dce7e47af0.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.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/7789a500686c7a73770404ead6af0590.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5ce23462dfd28929430b74b9590940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-23更新
|
260次组卷
|
3卷引用:浙江省杭州市第二中学2018-2019学年高二上学期期中数学试题