10-11高三下·吉林·期中
1 . 双曲线
的渐近线与圆
的位置关系为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf8bc908b192921416bb2d958ed539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca2415dee662897b676734cfc768d66.png)
A.相切 | B.相交但不经过圆心 | C.相交且经过圆心 | D.相离 |
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2 . 已知直线2x+y+a=0与圆心为C的圆
相交于
两点,且
,则圆心的坐标为____ ;实数a的值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820e624ee09e081f5bb12f2019dfa86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
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10-11高二下·北京·阶段练习
3 . 在长方体
中,已知底面
为正方形,
为
的中点,
,
,点
为正方形
所在平面内的一个动点,且满足
,求线段
的长度的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db57eca2a7cbd91bc57372592580a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a01292ba9b86837acd691c1c9384f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
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10-11高一下·北京·期末
4 . 四边形
的顶点A(4,3),B(0,5),C(-3,-4).
为坐标原点.
(1)求
的外接圆
的方程;
(2)过
上的点
作圆的切线
,设
与
轴、
轴的正半轴分别交于点
、
,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe46c635100d31cfc73307bcbbd4832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14c393980cbd293e5a3e06348e1222f.png)
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13-14高一下·广东东莞·期末
5 . 由直线
上的一点向圆
引切线,则切线长的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf4879b5e0134a33cd256ac79e82b9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10-11高三下·北京海淀·期中
6 . 若直线
被圆
所截的弦长不小于2,则在下列曲线中:
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
与直线
一定有公共点的曲线的序号是_________ . (写出你认为正确的所有序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133eb3bb45bc93ecc88a186d7be937b.png)
①
![](https://img.xkw.com/dksih/QBM/2011/4/11/1570114196406272/1570114201559040/STEM/36e1e2e6a7094e308b44ff623cc6ecb9.png?resizew=68)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6316e0e6da742e9b035d8f2cc91a4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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9-10高一下·江苏南京·期末
名校
7 . 以点
为圆心且与x轴相切的圆的方程为________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3902ec8b7c448598f3d80e3a0bb05a70.png)
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2010·北京朝阳·一模
8 . 圆
被直线
截得的劣弧所对的圆心角的大小为 .
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569803892711424/1569803897552896/STEM/93b0bd910ee34172857ae2c223adeda4.png?resizew=79)
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569803892711424/1569803897552896/STEM/24fd8eef60bd45e2ba569b611ad710aa.png?resizew=123)
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9 . 在圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9694c1591b2e613b0fb4485b53ea08.png)
内,过点
的最长的弦为
,最短的弦为
,则四边形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9694c1591b2e613b0fb4485b53ea08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ec52865d434d7b13281f780f5cc21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f449cadb49859b80c31ef1f68bfe81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945e93c9f3515ded840de09a9ba81ce8.png)
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2016-12-03更新
|
499次组卷
|
2卷引用:2015届北京市朝阳区高三第二次综合练习文科数学试卷
11-12高一下·吉林长春·期末
10 . 已知圆
及点
.
(1)
在圆上,求线段
的长及直线
的斜率;
(2)若
为圆
上任一点,求
的最大值和最小值;
(3)若实数
满足
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23f283c98f98cfa2453bc65dac2dc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3d28b07ef615e56ab908abdf4581d5.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a987d25e9a461cd6b526e08f5136c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)若
![](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/e9fcfbc717150bc0a1fb4d42c90a937b.png)
(3)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179596bf4acfceca3d3ce76aa6356357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcc3fc8c6505a84bc9e4f59db0ea889.png)
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