2011·江西新余·模拟预测
1 . 设A
,B
是椭圆
上的两点,
为坐标原点,向量
,向量
.
(1)设
,证明:点M在椭圆上;
(2)若点P、Q为椭圆上两点,且
∥
试问:线段PQ能否被直线OA平分?若能平分,请加以证明;若不能平分,请证明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56720e2f2b0ddd72156da495923698da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2852ae85cfcc804b3192ea8543c88938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d513e18997f3a9e6da9cc6e3a1404546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9329107cc470884aabcb5adf88c498cd.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1184fc29daa16791f741e25fa2a0f18c.png)
(2)若点P、Q为椭圆上两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
您最近一年使用:0次
10-11高三·浙江温州·阶段练习
2 . 已知椭圆
的左、右焦点分别为
,过点
且不与坐标轴垂直的直线
与椭圆
交于
两点.
(1)求直线
的斜率的取值范围;
(2)若点
在椭圆
上,且
三点共线,求证:点
与点
的横坐标相同.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.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/7789a500686c7a73770404ead6af0590.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](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/7445eabdcf8054f3ba700faf3adf09c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
11-12高二上·福建泉州·期末
解题方法
3 . 如图,已知椭圆
的离心率为
,短轴的一个端点到右焦点的距离为
.设直线
与椭圆
相交于
两点,点
关于
轴对称点为
.
(1)求椭圆
的方程;
(2)若以线段
为直径的圆过坐标原点
,求直线
的方程;
(3)试问:当
变化时,直线
与
轴是否交于一个定点?若是,请写出定点的坐标,并证明你的结论;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9b0ea1fff6a9a3760b922b77ac0c64.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7ffb7889a31b267a85f1ea238138e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若以线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)试问:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9806df6df27bf715c81c4a93fc6517c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2011/3/11/1570035519168512/1570035524771840/STEM/08d7aa31d65342409b75100b77a878b2.png?resizew=227)
您最近一年使用:0次
2011·山东济宁·一模
4 . 已知点
,动点
、
分别在
、
轴上运动,满足
,
为动点,并且满足
.
(1)求点
的轨迹
的方程;
(2)过点
的直线
(不与
轴垂直)与曲线
交于
两点,设点
,
与
的夹角为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34928d75d2c2f5e47226897396dcecb0.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e48f79069ada435c8225a124f149c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f84f9cc2d840d1fe562f6206f210527.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7230a1eb71ab5c9c29084ff9961240b1.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a3384cdfe0e38824f9d97d37f07f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddc965dde484274925f0ae9f89e0357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7047974be4da8f56bee6397efc7a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45c89d1cb5a4f758539bdda2e31fa94.png)
您最近一年使用:0次
11-12高三上·北京东城·期末
解题方法
5 . 已知椭圆
的左、右焦点分别为
,过点
且不与坐标轴垂直的直线
与椭圆
交于
两点.
(1)求直线
的斜率的取值范围;
(2)若点
在椭圆
上,且
三点共线,求证:点
与点
的横坐标相同.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.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/7789a500686c7a73770404ead6af0590.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](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/7445eabdcf8054f3ba700faf3adf09c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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10-11高三上·江西吉安·开学考试
6 . 设
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5205b8313b70d74c193469bac5b6b86.png)
(1)求证:函数y=f(x)与y=g(x)的图像有两个交点;
(2)设f(x)与g(x)的图像交点A、B在x轴上的射影为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4753463638237ed69779fff0c66746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5205b8313b70d74c193469bac5b6b86.png)
(1)求证:函数y=f(x)与y=g(x)的图像有两个交点;
(2)设f(x)与g(x)的图像交点A、B在x轴上的射影为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8454989732716850cb57ca15f8ef596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af7dbd8f93574f91414274b354adf934.png)
您最近一年使用:0次
9-10高二下·河北石家庄·期中
7 . 椭圆
+
=1(a>b>0)与直线x+y-1=0相交于P,Q两点,且
⊥
(O为坐标原点).
(1)求证:
+
等于定值;
(2)若椭圆的离心率e∈[
,
],求椭圆长轴长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf6c83cb6c14b1e4c5b62971cd0ec43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb79009bf32bee98374d74b54050351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6366a4f22d1b16b2f185e7eaba32256d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652514a62f1099e767a78c5f681c4717.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2d9768fa893cbc19074ed2991301e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27a46adf90be46555024bb17117bf84.png)
(2)若椭圆的离心率e∈[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4d9ff190d74979422dae71751c6fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78c38805c09dcfbcc42103308975a74.png)
您最近一年使用:0次
2016-11-30更新
|
901次组卷
|
3卷引用:2010年河北省正定中学高二下学期期中考试数学(文)
(已下线)2010年河北省正定中学高二下学期期中考试数学(文)辽宁省大连渤海高级中学2017-2018学年高二上学期期中考试数学(理)试题湖北省荆州成丰学校2017-2018学年高二3月月考文科数学试题
真题
8 .
点
在椭圆
上,
直线
与直线
垂直,O为坐标原点,直线OP的倾斜角为
,直线
的倾斜角为
.
(I)证明: 点
是椭圆
与直线
的唯一交点;
(II)证明:
构成等比数列.
点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ec56b59d6f2654570c2b5c4fd13a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e0facc1015e47de91f0f2570488f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684556265cf16d1d5e87ed1646169c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8136d5bade1ab5600a4d7a56025155e9.png)
(I)证明: 点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(II)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b82098ead6c3888eb17133bb1b09c29.png)
您最近一年使用:0次
真题
9 . 设椭圆
的左、右焦点分别为
是椭圆上的一点,
,原点
到直线
的距离为
.
(Ⅰ)证明
;
(Ⅱ)设
为椭圆上的两个动点,
,过原点
作直线
的垂线
,垂足为
,求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ec56b59d6f2654570c2b5c4fd13a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da0fe4c103f13aaf006b82720d89af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dde0c5e753479ec91f9da7ae3c585c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bd49b0d88f0c0038f1474bb782b69b.png)
(Ⅰ)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4037561c629fd07503c6803e1eb62fb6.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152922a5c9ce0b4e76783c018b40a0d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df84f3520397487618cf80f3ea80aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c81d490c018a166d9970b1b5ea0a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2016-11-30更新
|
2091次组卷
|
2卷引用:2007年普通高等学校招生全国统一考试文科数学卷(天津)