13-14高二上·广东汕尾·期末
名校
1 . 已知椭圆的中心在坐标原点
,长轴长为
,离心率
,过右焦点
的直线
交椭圆于
,
两点.
(Ⅰ)求椭圆的方程;
(Ⅱ)当直线
的倾斜角为
时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(Ⅰ)求椭圆的方程;
(Ⅱ)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efd09912705e08177bc86e839c41b29.png)
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|
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5卷引用:2012-2013学年广东陆丰碣石中学高二上期末考试文科数学试卷
名校
2 . 已知椭圆G:
=1(a>b>0)的离心率为
,经过左焦点F1(-1,0)的直线l与椭圆G相交于A,B两点,与y轴相交于点C,且点C在线段AB上.
(1)求椭圆G的方程;
(2)若|AF1|=|CB|,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c02280c2a0390d24a1d6686733cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
(1)求椭圆G的方程;
(2)若|AF1|=|CB|,求直线l的方程.
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4卷引用:2018秋人教A版高中数学选修2-1第二章测评
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3 . 如图所示,A,B分别是椭圆C:
=1(a>b>0)的左右顶点,F为其右焦点,2是|AF|与|FB|的等差中项,
是|AF|与|FB|的等比中项.点P是椭圆C上异于A,B的任一动点,过点A作直线l⊥x轴.以线段AF为直径的圆交直线AP于点A,M,连接FM交直线l于点Q.
(1)求椭圆C的方程;
(2)试问在x轴上是否存在一个定点N,使得直线PQ必过该定点N?若存在,求出点N的坐标,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c02280c2a0390d24a1d6686733cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
(1)求椭圆C的方程;
(2)试问在x轴上是否存在一个定点N,使得直线PQ必过该定点N?若存在,求出点N的坐标,若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2018/9/20/2036302449999872/2050544326721536/STEM/61b2176507a64258aa5694d041348ebb.png?resizew=116)
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3卷引用:广东省七校联合体2018-2019学年高二下学期开学考数学(理)试题
4 . 已知直线y=k(x+3)(k>0)与抛物线C:y2=12x相交于A,B两点,F为C的焦点,若|FA|=3|FB|,则k的值等于_____ .
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2卷引用:2018秋人教A版高中数学选修2-1模块复习课2
5 . 已知
,
分别为椭圆
:
的上、下焦点,
是抛物线
:
的焦点,点
是
与
在第二象限的交点,且
.
(1)求椭圆
的方程;
(2)与圆
相切的直线
:
(其中
)交椭圆
于点
,
,若椭圆
上一点
满足
,求实数
的取值范围.
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb223b8777ab973970491bf0dcc6806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0beb3969ffe3ed31a6993fbc4fe6669d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)与圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5f908de329f349775ab1d1733c702a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b408c42da0c09e601108250dc3e6cd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c9e94b312670b9b0f2fa9f3889a676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0196f2cddd6a18f9f17fcd877ed5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7043c5176a2673360277467c88198e1.png)
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2卷引用:【区级联考】广东省深圳市宝安区2019届高三9月调研考试数学文试题
6 . 已知抛物线
上一点
到焦点
的距离
.
(1)求
的方程;
(2)过
的直线
与
相交于
,
两点,
的垂直平分线
与
相交于
,
两点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21320585c32c9b56ed9c6d3af04250b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e9832ecfde6aa309da44f9a94cb833.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/f80863ecb1ecb1a65787f2d8889a07b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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13-14高二下·重庆合川·期中
名校
7 . 抛物线y=x2上到直线2x-y-4=0的距离最短的点的坐标是________ .
您最近一年使用:0次
2018-10-01更新
|
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8卷引用:2013-2014学年重庆市合川太和中学高二下期期中考试理科数学试卷
(已下线)2013-2014学年重庆市合川太和中学高二下期期中考试理科数学试卷2017-2018学年高中数学(苏教版)选修1-1 阶段质量检测(二)圆锥曲线与方程2017-2018学年高中数学(苏教版)选修1-1 阶段质量检测(二) 圆锥曲线与方程黑龙江省海林市朝鲜族中学人教版高中数学选修1-1同步练习:模块终结测评(二)广东省广州市天河中学2023-2024学年高二上学期12月月考数学试题广东省深圳市盐田高级中学2023-2024学年高二上学期期末考试数学试卷新疆乌鲁木齐市第八中学2021-2022学年高二上学期第三次月考数学( 文)试题新疆乌鲁木齐市第八中学2021-2022学年高二上学期第三次月考数学(理)试题
名校
8 . 设
为抛物线
:
的焦点,过
作倾斜角为30°的直线交
于
、
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/88bee8e70f1fab639be1636c7bce0477.png)
A.![]() | B.16 | C.32 | D.![]() |
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2卷引用:广东省深圳市红岭中学2019-2020学年高二上学期第二学段(期末)数学试题
9 . 已知椭圆
,
是其左右焦点,
为其左右顶点,
为其上下顶点,若
,
.
(Ⅰ)求椭圆
的方程;
(Ⅱ)过
分别作
轴的垂线
,椭圆
的一条切线
,
与
交于二点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840cc2b96a1cf6b6c07b6d0abf6156a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fee997b886b20a2a6cfaa9ac89bd7ea.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becdcb8a871e8965853acf0687034c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01908df4766f2b639266c2f7c913791.png)
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4卷引用:【市级联考】广东省珠海市2019届高三9月摸底考试数学理试题
【市级联考】广东省珠海市2019届高三9月摸底考试数学理试题【区级联考】天津市南开区2018~2019学年度高三第二学期基础训练数学 (文)试题【区级联考】天津市南开区2019届高三基础训练数学(理)试题(已下线)专题07 解析几何中的证明问题(第五篇)-备战2020年高考数学大题精做之解答题题型全覆盖
10 . 抛物线
与直线
交于点
二点,过点
作
轴的平行线与
交于
点,过点
作抛物线
的切线,切点为
,切线
与直线
交于
点.已知点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41e12b0a76fbc14354a8ed25139dd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecfef5ca17dfd85fcd8f6044afc1d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d888dc5c6521d736ab8ea264174efdc.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/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbb130c496e3feff6223a64b5ffbd44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c71cc50b59765bb29c601bdb50a40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41e12b0a76fbc14354a8ed25139dd82.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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