1 . 已知点
、
,动点
满足
.
(1)求动点
的轨迹
的方程;
(2)已知圆
的圆心为
,且圆
与
轴相切,若圆
与曲线
有公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648de7821becc4f2ebf4d8567528091e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0d82cb174d173b7e36937c3f99f591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac2a398550f16fd07b66173c61452b0.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fa5b9c42e613ebdd0a9d1a2c4d6ea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-11-04更新
|
261次组卷
|
4卷引用:贵州省都匀市民族中学2023-2024学年高二上学期期中考试数学试题
名校
解题方法
2 . 已知坐标平面上点 与两个定点
的距离之比等于 2 .
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)记(1)中的轨迹为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86630cdec59f9ec8f34e1995d3e54f51.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/74e4b7e0d011b62b5ff6f057bbaf7aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-09-07更新
|
904次组卷
|
5卷引用:贵州省贵阳市观山湖区第一高级中学2023-2024学年高二上学期9月月考数学试题
贵州省贵阳市观山湖区第一高级中学2023-2024学年高二上学期9月月考数学试题四川省盐亭中学2022-2023学年高二上学期期中数学(理)试题四川省盐亭中学2022-2023学年高二上学期期中数学(文)试题湖南省长沙市明德中学2023-2024学年高二上学期10月阶段考试数学试题(已下线)通关练11 圆的方程大题10考点精练(47题)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
名校
3 . 已知圆
.
(1)求过
与圆O相切的直线l的方程;
(2)过
的直线与圆O交于P,Q两点,求弦PQ的中点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
(1)求过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7291b3d921f595f28960abcdce6dfbed.png)
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2022-11-24更新
|
276次组卷
|
2卷引用:贵州省思南民族中学2023-2024学年高二上学期数学期中模拟试题(B)
名校
解题方法
4 . 已知
的三个顶点的坐标为
,
,
.
(1)求
的外接圆圆
的标准方程;
(2)已知点
在圆
上运动,点
的坐标是
,求线段
的中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579206d53e9e4ccbfc82d6e9ab0237f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11cc87d79f0964d10104230ae0e6de30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0044e5f24fce977e5902bf79a7325adf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84582ae73880764d7d7b1781c1599013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
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2022-10-25更新
|
632次组卷
|
3卷引用:贵州省贵阳市“三新”改革联盟校2022-2023学年高二上学期联考试题(五)数学试题
名校
5 . 如图所示,第九届亚洲机器人锦标赛VEX中国选拔赛永州赛区中,主办方设计了一个矩形坐标场地ABCD(包含边界和内部,A为坐标原点),AD长为10米,在AB边上距离A点4米的F处放置一只电子狗,在距离A点2米的E处放置一个机器人,机器人行走速度为v,电子狗行走速度为
,若电子狗和机器人在场地内沿直线方向同时到达场地内某点M,那么电子狗将被机器人捕获,点M叫成功点.
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897947766087680/2904902934601728/STEM/2b26b144-bb30-4d48-bb7f-b892a0fa59e5.png?resizew=169)
(1)求在这个矩形场地内成功点M的轨迹方程;
(2)P为矩形场地AD边上的一动点,若存在两个成功点到直线FP的距离为
,且直线FP与点M的轨迹没有公共点,求P点横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b96fa109cded3a52a56e03e4b358851.png)
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897947766087680/2904902934601728/STEM/2b26b144-bb30-4d48-bb7f-b892a0fa59e5.png?resizew=169)
(1)求在这个矩形场地内成功点M的轨迹方程;
(2)P为矩形场地AD边上的一动点,若存在两个成功点到直线FP的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
您最近一年使用:0次
2022-01-29更新
|
422次组卷
|
5卷引用:贵州省铜仁第一中学2023-2024学年高二下学期2月开学适应性模拟检测数学试题
名校
解题方法
6 . 已知线段
的端点
的坐标为
,端点
在圆
上运动.
(1)求线段
的中点
的轨迹方程;
(2)若直线
与点
的轨迹恒有交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ab719df4b08d983743834d6d2bbc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f65d13ecb5def1a342676feb9de7.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0978dc75ee6ab47481e6fdb04f6df2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7 . 已知O为坐标原点,点M在圆
上运动.
(1)求线段OM中点N的轨迹
的方程;
(2)过点
的直线l与轨迹
交于A,B两点,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d04676a66ccb0463951f3934cc4e04b.png)
(1)求线段OM中点N的轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b96e11ed43dc09e44c6fc2ad759c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9392c1a16436c0d5866f18063ccafde6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2021-01-16更新
|
392次组卷
|
3卷引用:贵阳省为明国际学校2020-2021学年高二上学期联合考试数学试题
8 . 已知一圆经过点
,
,且它的圆心在直线
上.
(1)求此圆的方程;
(2)若点
为所求圆上任意一点,且点
,求线段
的中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50edfb9ed0d50d6f35ad6a130208d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d31cd03879d5c69ff11d0923f1ee82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc568fbc1480ba87cfdc2b6b3c71200.png)
(1)求此圆的方程;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49179dbfbc8e207aa92fd72060fba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-12-02更新
|
1105次组卷
|
4卷引用:北京师范大学遵义附属学校2020-2021学年高二第一学期期中考试数学试卷
9 . 已知直线
截圆
所得的弦长为
,直线
的方程为
.
(1)求圆
的方程;
(2)若直线
过定点
,点
在圆
上,且
为线段
的中点,求
点的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9cd4c2d284a02b0e215a237c424b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3285a2383fa18025034cf9876175295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7333754850db152bf60d78d05a8a8fd8.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9219540d7ffd24f9be1bb27d36c6e665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
名校
10 . 已知两个定点
,动点
满足
.设动点
的轨迹为曲线
,直线
.
(1)求曲线
的轨迹方程;
(2)若
,
是直线
上的动点,过
作曲线
的两条切线
,切点为
,探究:直线
是否过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f9ff7908cfd23432a7941e51b30a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dfa562fe8529f0f92673c2864d3c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9308ba99eab7435540acf609ffd5df9a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2352fd3ab9597b8256a41675bc0404bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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