12-13高三上·福建三明·期末
1 . 椭圆
的离心率为
,右焦点到直线
的距离为
,过
的直线
交椭圆于A、B两点.
(1)求椭圆的方程;
(2)若直线
交x轴于N,
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c1f9fb7ab32fe3a7461ace68a7e19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac01ad57b76eeb3505b9c89141877d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6392c1cd4088165b31664a5d3b12753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求椭圆的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f3c25be4066c8ae52bde22298013e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2 . 设
,
分别为椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
的左右焦点,过
的直线
与椭圆
相交于
,
两点,直线
的倾斜角为
,
到直线
的距离为
.
(Ⅰ)求椭圆
的焦距;
(Ⅱ)如果
,求椭圆
的方程.
![](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/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706b8c6c4867aa1538ba4c3e8e6ce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2016-11-30更新
|
310次组卷
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15卷引用:2010年普通高等学校招生全国统一考试(辽宁卷)文科数学
2010年普通高等学校招生全国统一考试(辽宁卷)文科数学2010年普通高等学校招生全国统一考试(辽宁卷)文科数学全解全析沪教版(2020) 一轮复习 堂堂清 第七单元 7.6 椭圆(已下线)2010年江西省高安中学高二上学期期中考试理科数学卷(已下线)2010—2011学年辽宁省营口市普通高中高二上学期期末教学质量检测理科数学(已下线)2011-2012学年山东省微山一中高二上学期期中理科数学试卷(已下线)2011-2012学年陕西省长安一中高二上学期期末考试文科数学【全国百强校】重庆市第一中学2018-2019学年高二上学期期中考试数学(理)试题安徽省蚌埠二中2019-2020学年高二下学期开学检测理科数学试题黑龙江省哈尔滨市第六中学2020-2021学年高二10月月考数学(文)试题河南省焦作市博爱英才学校2020-2021学年高二第一学期11月月考文科数学试题上海市交通大学附属中学2020-2021学年高二上学期期中数学试题河南省洛阳复兴学校2021-2022学年高二上学期12月月考数学试题沪教版(2020) 选修第一册 高效课堂 第二章 每周一练(2)(已下线)第3章 圆锥曲线与方程 综合测试-【暑假自学课】2023年新高二数学暑假精品课(苏教版2019必修第一册)
2010·北京西城·二模
3 . 椭圆
短轴的左右两个端点分别为A,B,直线
与x轴、y轴分别交于两点E,F,交椭圆于两点C,D.
(I)若
,求直线
的方程;
(II)设直线AD,CB的斜率分别为
,
若
,求k的值.
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/6dfe5425f1614867b586b5b38cbc33ce.png?resizew=79)
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/90e1742e307a4f3795020f3ad8298411.png?resizew=81)
(I)若
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/36799632962449f190b1f8bf6b61a6aa.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/0d8bc22d3f804298847a6c0294051760.png?resizew=9)
(II)设直线AD,CB的斜率分别为
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/a63de9770732471285c14c1d261c4d37.png?resizew=37)
若
![](https://img.xkw.com/dksih/QBM/2010/5/21/1569738342055936/1569738347143168/STEM/f5cbe74dee764cb1a9cdd4eb14cf9703.png?resizew=84)
您最近一年使用:0次
2010·河北·一模
名校
解题方法
4 . 已知动圆C过点A(-2,0),且与圆
相内切.
(1)求动圆C的圆心的轨迹方程;
(2)设直线
: y=kx+m(其中k,m∈Z)与(1)所求轨迹交于不同两点B,D,与双曲线
交于不同两点E,F,问是否存在直线
,使得向量
,若存在,指出这样的直线有多少条?若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f11edf9bcd468914d9777312bdbc70f.png)
(1)求动圆C的圆心的轨迹方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676429a1a7b874900b232afe16849827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f9ff26aca2bbefc0b78a323b514b53.png)
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2010·北京西城·一模
名校
解题方法
5 . 椭圆
:
的离心率为
,长轴端点与短轴端点间的距离为
.
(I)求椭圆
的方程;
(II)设过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
的直线
与椭圆
交于
两点,
为坐标原点,若
为直角三角形,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
(I)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(II)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1156a8b29780810bd472f6d9e11b0e39.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/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c3b6c7e609061ef22832bf5c1df5d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2016-11-30更新
|
996次组卷
|
5卷引用:北京市西城区2010年高三一模数学(理)试题
(已下线)北京市西城区2010年高三一模数学(理)试题2015届山西大学附属中学高三上学期期中考试理科数学试卷2015届山西大学附属中学高三上学期期中考试文科数学试卷(已下线)2010-2011学年海南省洋浦中学高二年级第一学期期末考试理科数学卷【全国百强校】广东省执信中学2018-2019学年高二下期中测试数学(理科)试题
2010·黑龙江哈尔滨·一模
解题方法
6 . 已知椭圆
(
)的离心率为
,且短轴长为2.
(1)求椭圆的方程;
(2)若与两坐标轴都不垂直的直线
与椭圆交于
两点,
为坐标原点,且
,
,求直线
的方程.
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/3c8b85fd26374e26bb638c1d592a1766.png?resizew=76)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/8e204d0d444d474eaf41dd5c6f126249.png?resizew=56)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/91175f1cb18c401a87c43bbc37664eb4.png?resizew=27)
(1)求椭圆的方程;
(2)若与两坐标轴都不垂直的直线
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/46ffa2e7d74449cbb12b2e73b35ad343.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/6bc25f05e4954aaab842ab99f74b52dc.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/6e7ff867506a43f89a4ad11358d54bec.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/ac7884b56b5b4005ada7a4f42e793651.png?resizew=76)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/d0d575c668724c9f8b87323a156ebcee.png?resizew=64)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601453056/STEM/46ffa2e7d74449cbb12b2e73b35ad343.png?resizew=9)
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7 . 已知菱形
的顶点
,
在椭圆
上,对角线
所在直线的斜率为
.
(
)当直线
过点
时,求直线
的方程.
(
)当
时,求菱形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553f7bba497f1f582899939c5b8e8206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2016-11-30更新
|
1609次组卷
|
7卷引用:2008年普通高等学校招生全国统一考试(北京卷理科)