解题方法
1 . 已知直线
与圆
交于A,B两点,O为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e5e815fc2bbf03d424b52fa920dd0e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3deda4ea7afad98f7e3ba32f6abba6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e5e815fc2bbf03d424b52fa920dd0e.png)
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2 . 已知直线
与圆
交于
两点,则弦
最短时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120101a1f983119e607fc90d3bb993b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393a0e30b023f2a20d366eef481b5eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.2 | B.1 | C.![]() | D.![]() |
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2024-03-09更新
|
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5卷引用:四川省成都市成实外教育集团2024届高三联考数学文科试题(二)
四川省成都市成实外教育集团2024届高三联考数学文科试题(二)四川省成都市成实外教育集团2024届高三联考数学理科试题(二)四川省绵阳市三台中学校2024届高三下学期三诊模拟数学(文)试题(已下线)信息必刷卷04(北京专用)(已下线)2024年高考全国甲卷数学(文)真题平行卷(基础)
3 . 圆
与圆
相交于A、B两点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168f39d12a373d597c4c0ad724335c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794a2b32e216fa64dbbc9bfa60acf967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78f437d506c72c3ce4ad3aa9a5ab749.png)
A.2 | B.![]() | C.![]() | D.6 |
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2024-03-03更新
|
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5卷引用:热点7-1 直线与圆综合(10题型+满分技巧+限时检测)
4 . 过圆
外一点
作圆
的切线,切点分别为
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889a5e04c5187fb20415a59ce6adeed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/88bee8e70f1fab639be1636c7bce0477.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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3卷引用:河南省周口市部分重点高中2023-2024学年高三下学期2月开学收心考试数学试题
5 . 已知
分别是双曲线
的左、右焦点,过点
且垂直
轴的直线与
交于
两点,且
,若圆
与
的一条渐近线交于
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c7359da90cb534d1d2b8ac98b974cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bac4d3d2be66e9f25b59e3a94f235e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
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|
684次组卷
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7卷引用:河南省九师联盟2024届高三上学期2月开学考试数学试卷
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6 . 在平面上,动点
与两定点
满足
(
且
),则
的轨迹是个圆,这个圆称作为阿波罗尼斯圆.已知动点
与两定点
满足
,记
的轨迹为圆
.则下列结论正确的是( )
![](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/00e5b80107ef1ece0ad477a7f2703d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a8eb194c397afdb40737d432f87266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06966dee4fbf74f02543337fd04efcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64929a846d98c92dc5a51e4927b0f99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() |
B.过点![]() ![]() ![]() |
C.过点![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() ![]() |
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7 . 已知
是圆
上的动点,且
.
是圆
的动点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf7d969ee6f3131219a0ae5d40e971e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ac718bef601f96e5c542506009daa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3236613835e42ebb143c1ff3a1c75e1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知直线
与圆
交于
两点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd40f44c911918ee3638eb1a24bb1bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1e24a22a475d2d862e558978aa03a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知圆
.
(1)已知直线
,求该直线截得圆C的弦AB的长度;
(2)若直线
过点
且与圆C相交于
两点,求
的面积的最大值,并求此时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a532ec73d5c49a197b71874075efe1.png)
(1)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9385f98500602c954d1ba4e42d9ae30e.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232f941eb8c4345cf49137746a2461b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
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10 . 已知圆,直线
,点
在直线
上运动,过点
作圆
的两条切线,切点分别为
,
,当
最大时,则( )
A.直线![]() | B.四边形![]() ![]() |
C.![]() | D.![]() ![]() |
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