1 . 已知圆
,圆心
到抛物线
的准线的距离为
,圆
截直线
所得弦长为
.
(1)求圆
的方程.
(2)若
、
分别为圆
与抛物线
上的点,求
、
两点间距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc34960e98fbdedb9270e1e6cd96852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950bd3bb1891b526b5fea4a0e7501dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7163395f9aaa29be7f6b3106ba48b744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216007076ff106927f4498f10b39d8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2 . 设M是圆C:
上的动点,
是圆的切线,且
,则点N到点
距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b217dbec62d527b0e05a5b962770d193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b258d236f06d587db7fcd11983394d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41167177b65969b1d159a83c3f04d853.png)
A.4 | B.5 | C.6 | D.16 |
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名校
3 . 已知圆
的面积被直线
平分,圆
,则圆
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ec14372e2e5c6b41a432aedf9b432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc6b5b7ae63a330f0cd8593ee47338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961a154477d1a23ae04d6bf5674fde42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.外离 | B.相交 | C.内切 | D.外切 |
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2024-03-15更新
|
265次组卷
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4卷引用:黑龙江省哈尔滨市第六中学校2021-2022学年高二上学期期末数学试题
黑龙江省哈尔滨市第六中学校2021-2022学年高二上学期期末数学试题(已下线)第2章 圆与方程 单元综合检测(重点)四川省宜宾市叙州区第二中学校2023-2024学年高二上学期期末模拟考试数学试题(已下线)专题08 圆与圆的位置关系8种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
名校
4 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数,
).以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,圆心为
的圆
过极点.
(1)求圆
的极坐标方程;
(2)若直线
与圆
恰好相切,求
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2466202b260e7343cea0d21f373432e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c516619a5b3c6676e6734efa754e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369d9b11fceda9728f29b186111ac2b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解题方法
5 . 方程
有且只有一个根,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d937e1570212831d24da44fa487810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-05更新
|
204次组卷
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2卷引用:新疆哈密市第八中学2021-2022学年高二上学期期末考试数学(文)试题
6 . 若直线
被圆
截得的弦最长,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5568579340b4a3daf3f01b6dbc4048a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df04c74aca1c0c7eca29cbe96feeb974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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2024-01-03更新
|
275次组卷
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2卷引用:辽宁省铁岭市六校2021-2022学年高三上学期期末联考数学试题
名校
解题方法
7 . 已知
两点,动点
到点
的距离是它到点
的距离的
倍.
(1)设动点
的轨迹为曲线
,求
的标准方程;
(2)设直线
,若直线
与曲线
交于
两点,当
最小时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9c11cc36320090d0aaf0c621a63b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.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/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)设动点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3847e665dfcaaf738cd450892914ac38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-12-29更新
|
757次组卷
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4卷引用:湖北省云梦县黄香高级中学2021-2022学年高二上学期期末数学试题
湖北省云梦县黄香高级中学2021-2022学年高二上学期期末数学试题(已下线)模块三 专题5 大题分类练(直线和圆的方程)基础夯实练 期末终极研习室(高二人教A版)四川省绵阳市盐亭中学2024届高三上学期第九次阶段检测数学(文)试题河北省石家庄市第二中学2023-2024学年高二上学期第三次月考(12月)数学试题
8 . 已知圆
与y轴交于A、B两点,圆心为P,若
,则c的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c324d9b637a44a3d0e26a4ab3d3d2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b768ea6a05cbf45b28fc46c501ba532.png)
A.![]() | B.3 | C.8 | D.![]() |
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2023-12-15更新
|
121次组卷
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2卷引用:四川省遂宁市绿然教科院2021-2022学年高二上学期期末联考文科数学试题
解题方法
9 . 已知圆
.
(1)求过圆心
且斜率为
的直线方程;
(2)试判断直线
与圆
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f0bea8109b52255920150f77bec382.png)
(1)求过圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(2)试判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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10 . 直线
被圆
截得的弦长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
您最近一年使用:0次
2023-12-13更新
|
784次组卷
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6卷引用:黑龙江省哈尔滨市巴彦县第三高级中学2021-2022学年高二上学期期末数学试题
黑龙江省哈尔滨市巴彦县第三高级中学2021-2022学年高二上学期期末数学试题江西省宜春市宜丰中学2023-2024学年高二上学期期末数学试题(已下线)模块三 专题1 小题入门夯实练(1) 期末终极研习室(高二人教A版)(已下线)专题02 直线与圆的综合应用问题(九大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)浙江省温州市温州中学2023-2024学年高二上学期12月月考数学试题黑龙江省大兴安岭实验中学(东校区)2023-2024学年高二下学期期初考试数学试题