10-11高一下·海南·期末
1 . 由直线y=x+1上的点向圆x2+y2-6x+8=0引切线,则切线长的最小值为
A.1 | B.![]() | C.![]() | D.3 |
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2 .
在⊙O外,
切⊙O于
,
交⊙O于
、
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2011·海南海口·一模
3 . 如图,点
是椭圆
上一动点,点
是点
在
轴上的射影,坐标平面
内动点
满足:
(
为坐标原点),设动点
的轨迹为曲线
.
![](https://img.xkw.com/dksih/QBM/2011/5/20/1570213308317696/1570213313871872/STEM/5aa8bfdbe9fe4cb28e5da6be57f9e72e.png?resizew=206)
(Ⅰ)求曲线
的方程并画出草图;
(Ⅱ)过右焦点
的直线
交曲线
于
,
两点,且
,点
关于
轴的对称点为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c70b7429573e10797d12d564c05099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2011/5/20/1570213308317696/1570213313871872/STEM/5aa8bfdbe9fe4cb28e5da6be57f9e72e.png?resizew=206)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)过右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7bfbd4e1cd5349db7884c65c23b239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8f887360a533f0a25b0b34fb11f0a1.png)
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10-11高一下·海南·期末
4 . 已知圆C的方程为
,定点
,直线
有如下两组论断:
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570274036809728/1570274042265600/STEM/d5f47c1df76e46b4becb9d94a7c2f4c9.png?resizew=430)
由第Ⅰ组论断作为条件,第Ⅱ组论断作为结论,写出所有可能成立的命题
(将命题用序号写成形如p
q的形式)_________________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3503d330608e7138d1b529aba4512fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde1e24c466423ad9e24585f4a436962.png)
![](https://img.xkw.com/dksih/QBM/2011/7/27/1570274036809728/1570274042265600/STEM/d5f47c1df76e46b4becb9d94a7c2f4c9.png?resizew=430)
由第Ⅰ组论断作为条件,第Ⅱ组论断作为结论,写出所有可能成立的命题
(将命题用序号写成形如p
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef73aff3fe470e367f4af24fdfff3df.png)
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5 . 如图,已知⊙O的割线PAB交⊙O于A,B两点,割线PCD经过圆心,若PA=3,AB=4,PO=5,则⊙O的半径为______________ .
![](https://img.xkw.com/dksih/QBM/2011/7/26/1570273735401472/1570273740726272/STEM/5abf0315-f664-40fa-b482-652c703f5e02.png)
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10-11高三上·福建三明·阶段练习
6 . 圆
上的点到直线
的距离的最大值
![](https://img.xkw.com/dksih/QBM/2010/12/28/1569947908374528/1569947913420800/STEM/75704ad369be49a18d8398f91a02af0d.png)
![](https://img.xkw.com/dksih/QBM/2010/12/28/1569947908374528/1569947913420800/STEM/79bd007fd20f4af595ab1f4095cabf78.png)
A.2 | B.![]() | C.![]() | D.![]() |
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2011-02-17更新
|
1216次组卷
|
13卷引用:2014-2015学年海南省四校联考高一下学期期末考试数学试卷
2014-2015学年海南省四校联考高一下学期期末考试数学试卷(已下线)2011届福建省三明一中高三上学期第三次月考文科数学卷(已下线)2011年浙江省杭州市萧山九中高二文科寒假作业(已下线)安徽省合肥一中、六中、一六八中学2010-2011学年高二下学期期末联考数学(理(已下线)2011-2012学年四川省汉源县第一中学高二上学期期中理科数学试卷(已下线)2011-2012学年吉林省长春外国语学校高二上学期期末考试数学试卷(已下线)2011-2012学年安徽无为开城中学高二下学期期末考试理科数学试卷(已下线)2012-2013学年福建南安一中高一上期末考试数学试卷(已下线)2014届陕西省长安一中等五校高三第三次模拟理科数学试卷(已下线)2014届陕西省长安一中等五校高三第三次模拟文科数学试卷(已下线)2013-2014学年福建省清流一中高一下学期第二次阶段考数学试卷2016-2017学年湖北咸宁市高二上月考一数学(理)试卷2016-2017学年湖北咸宁市高二上月考一数学(文)试卷
名校
解题方法
7 . 已知
是抛物线
的焦点,
是抛物线
上一动点,
是
上一动点,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a52a7dcc14a755f5d8db4ac8775be2.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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10-11高二下·海南·期末
8 . 如图:两个等圆外切于点
,
切
于
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ee386621dfc24d37301eb322e92afe.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693262c7edbd900b66a0cfe9a7c76706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd73875650e1538c4c61d5e16d3db29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ee386621dfc24d37301eb322e92afe.png)
![](https://img.xkw.com/dksih/QBM/2011/4/18/1570122042114048/1570122047315968/STEM/aab4e3963c5e4f4e976e93409c4114fd.png?resizew=252)
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9 . 如图,
是半圆
的直径,点
在半圆上,
于点
,且
,设
,则
=
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/03e3d6328b1e487da128159725b54332.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/8be9c76e39ac4191a5ac12207591942f.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/7b5bcfe4233048599314efc68e800143.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/399d39e241554abcb36f3e1b83ee1017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971cd0358b49f1661adc674801bd6ecb.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/76860b20b46948f3b19fee3ab7593a01.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/be253aabab5149a7982631cecb2dc338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0784827daa1e4dbadb6c3c0c7e6c73c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b33a8e9a0071cef5414525c6fe45ef.png)
![](https://img.xkw.com/dksih/QBM/2011/7/16/1570262382518272/1570262387662848/STEM/03e3d6328b1e487da128159725b54332.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 选修4-4:坐标系与参数方程
已知曲线C的极坐标方程是
.以极点为平面直角坐标系的原点,极轴为
轴的正半轴,建立平面直角坐标系,直线
的参数方程是:
(
是参数).
(1)将曲线
的极坐标方程和直线
参数方程转化为普通方程;
(2)若直线
与曲线
相交于A、B两点,且
,试求实数
值.
已知曲线C的极坐标方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f07a3dc0e3632a7d2f32858f7003b4.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/297a33623f254582bddd1bb7b60b252e.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/79ec47addcc744e8821c9b10aac3dbb3.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/98f8e07ce6e8496f9d21d43a0a1ceb13.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/726ae429072e4a7d8b5dd7f6cbf1b2f8.png)
(1)将曲线
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/02793549a7b548f7996566d408ca8215.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/79ec47addcc744e8821c9b10aac3dbb3.png)
(2)若直线
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/79ec47addcc744e8821c9b10aac3dbb3.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/02793549a7b548f7996566d408ca8215.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/ba0d7f240c074f1ebb64a3ba12aba598.png)
![](https://img.xkw.com/dksih/QBM/2012/9/7/1571004357894144/1571004363644928/STEM/ec98455d06fe4ec98349b3e62371d5fe.png)
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