1 . 圆C经过点
和点
,且圆心C在直线
上.
(1)求圆C的标准方程;
(2)过点
作圆C的两条切线,切点分别为A,B,求直线AB的方程及原点O到直线AB距离最大时m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813597f052c8930e12f0a22aeaa3cce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f214d76aecc948e95002a86a73b6c06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
(1)求圆C的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d61e76aac4a0ffeeacdbafd9d230ca3.png)
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名校
2 . 已知圆
:
,点
是圆
上动点,点
是圆
外动点,过点
作圆
的两条切线,分别与圆
切于A,
两点,若
的取值范围是
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b5298e6ffde04f4a44f4d41a5542be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c7bbe0ac1c88c9d35978a7184ba553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f12d256d97e21a824c026eb1ebb381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知椭圆
为
的左、右焦点,点A在
上,直线
与圆
相切.
(1)求
的周长;
(2)若直线
经过
的右顶点,求直线
的方程;
(3)设点
在直线
上,
为原点,若
,求证:直线
与圆
相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cbcdbead5feb9ed5ebd48d2a9d15d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133eb3bb45bc93ecc88a186d7be937b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50e597f9c9d0f6d4ccf34c0e5593df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-12-12更新
|
539次组卷
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2卷引用:2024届上海市长宁区高考一模数学试题
名校
解题方法
4 . 双曲线
的离心率为
,圆
与
轴正半轴交于点
,点
在双曲线
上.
(1)求双曲线
的方程;
(2)过点
作圆
的切线交双曲线
于两点
、
,试求
的长度;
(3)设圆
上任意一点
处的切线交双曲线
于两点
、
,试判断
是否为定值?若为定值,求出该定值;若不是定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b33328faae2d2d4921900e97424de5.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/46529ee9b4550db1c12f187e1fbebde0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/411461db15ee8086332c531e086c40c7.png)
(3)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/79188647c574441c2414c3781a0ef543.png)
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2023-11-24更新
|
1029次组卷
|
5卷引用:上海市进才中学2023-2024学年高三上学期期中考试数学试卷
上海市进才中学2023-2024学年高三上学期期中考试数学试卷(已下线)专题07 解析几何(三大类型题综合)15区新题速递上海市向明中学2023-2024学年高二下学期期中考试数学试题(已下线)专题03 圆锥曲线方程(3)(已下线)重难点7-2 圆锥曲线综合应用(7题型+满分技巧+限时检测)
解题方法
5 . 已知直线
被圆
:
截得的弦长为
,且
.
(1)求圆
的方程;
(2)已知直线
的方程为
、直线
的方程为
和直线
的方程为
,且圆
是
的内切圆,令
的面积
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc2cd025b8c048a0174b2855f9cdc93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258f7027c9297624dec0f9b587887275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e56cf269ce04b347d36ce1daaab1e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db36b05ca6e82ba23fe69aecd514b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
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6 . 已知
为坐标原点,椭圆
的左、右焦点分别是
,
,离心率为
.
,
是椭圆
上的点,
的中点为
,
,过
作圆
的一条切线,切点为
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cc5053061887ebff5b7f12bdea15e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d7e9566b9f146a243d2620256a139c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ce8eed2660a33465a7f764e76cdba8.png)
A.![]() | B.![]() | C.![]() | D.5 |
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2023-11-21更新
|
1255次组卷
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6卷引用:上海市浦东新区进才中学2023-2024学年高二上学期12月月考数学试题
名校
解题方法
7 . 已知椭圆
的左右顶点为A和B,右焦点坐标为
,点P为直线
上一点.若
外接圆的面积的最小值为
,则b的值等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04f5cf0e5504e4db0a2ab1b9656e90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7615495e833d173a8845b19405ba3a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6ae3b8e116e6fefeb5e9804f7ab44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc2a78406f5e1e9936c60851f6e9500.png)
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解题方法
8 . 过点
作圆
的切线,则切线的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11aa03f4ed935c2cc1f71e9d66174a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84df2d39fa36c3f4ee72a0817fd2b25.png)
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2023-11-14更新
|
566次组卷
|
3卷引用:上海市复旦大学附属中学2023-2024学年高二上学期期中数学试题
上海市复旦大学附属中学2023-2024学年高二上学期期中数学试题(已下线)专题11圆锥曲线单元复习与测试(21个考点25种题型)-【寒假自学课】2024年高二数学寒假提升学与练(沪教版2020)上海市延安中学2023-2024学年高二下学期3月月考数学试卷
名校
解题方法
9 . 已知圆
和点
.
(1)过点
向圆
引切线,求切线方程;
(2)过点
的直线与圆
交于
,
两点,求弦
中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01e563ded096294380bad98b15bc797.png)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b2bb30137f92479d11827ee769f001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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2023-11-14更新
|
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2卷引用:上海市进才中学2023-2024学年高二上学期1月期末考试数学试题
名校
10 . 已知圆C:
.
(1)过
的动直线l与圆C:
交于A、B两点.若
,求直线l的方程;
(2)从圆C外一点Q向该圆引一条切线,切点为M,若
(O为坐标原点),求动点Q的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c82a1fed135888e1c072bc5078fc8a5.png)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c82a1fed135888e1c072bc5078fc8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed79cde317cee7f73037f66f52f02a50.png)
(2)从圆C外一点Q向该圆引一条切线,切点为M,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8f5281f1f036de2d3a737a70d21ae7.png)
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2023-11-14更新
|
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|
3卷引用:上海市奉贤中学2023-2024学年高二上学期期中数学试题