名校
解题方法
1 . 已知椭圆
过点
,短轴一个端点到右焦点的距离为2.
(1)求椭圆
的方程;
(2)设过定点
的直线
与椭圆交于不同的两点A、B,若坐标原点
在以线段
为直径的圆外,求直线
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef233ad3db01fa3ce9ee94eaad8e64e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25ce60648ea5042ab5eb5702efe651a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2 . 设O为坐标原点,动点P在圆
上,过点P作
轴的垂线,垂足为Q且
.
(1)求动点D的轨迹E的方程;
(2)直线
与圆
相切,且直线
与曲线E相交于两个不同的点A、B,点T为线段AB的中点.线段OA、OB分别与圆O交于M、N两点,记
的面积分别为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8628837ebfe0dae84f36cce491bac8.png)
(1)求动点D的轨迹E的方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaecfbde526079d21c439cc4609be723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
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解题方法
3 . 已知椭圆
经过点
,直线
经过椭圆
的一个顶点和一个焦点,椭圆的中心到直线
的距离为其短轴长的
.
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971674429718528/2973409105633280/STEM/386b53d3-c39b-4606-8053-103a4f22e2ba.png?resizew=208)
(1)写出椭圆
的标准方程;
(2)如图,若直线
:
与椭圆
相交于
、
两点,线段
的垂直平分线与直线
及
轴和
轴分别相交于点
,
、
,直线
(
为椭圆的右焦点)与直线
:
相交于点
,记
、
的面积分别为
、
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821309f088a175c00dc0f4828334503d.png)
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971674429718528/2973409105633280/STEM/386b53d3-c39b-4606-8053-103a4f22e2ba.png?resizew=208)
(1)写出椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712051d4999fd8bcdc14377f052b6c35.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.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/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e37c2eab3fa989d8e986b7356eeb4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633e0d013dc0b31935608b1e88d1a29f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
的右顶点为
,离心率为
.过点
与x轴不重合的直线l交椭圆E于不同的两点B,C,直线
,
分别交直线
于点M,N.
(1)求椭圆E的方程;
(2)设O为原点.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54695f96e6f365b0cc79b3ceaf5d26cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
(1)求椭圆E的方程;
(2)设O为原点.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5897b35e64d5c814ac47b917d45e88.png)
您最近一年使用:0次
2022-05-05更新
|
2651次组卷
|
8卷引用:江西省南昌市第十中学2022届高三下学期高考仿真模拟考试(一)数学(文)试题
名校
解题方法
5 . 已知椭圆
的短轴长为
,其离心率为
,已知双曲线
的渐近线方程为
,其离心率为
,且
.
(1)求椭圆C的标准方程;
(2)已知椭圆C的左焦点为F,过点F且不与坐标轴平行的直线l与椭圆相交于A,B两点,线段
的中垂线分别交x轴、y轴于M,N两点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fcb62a96dac6bd11b50a33fd8e64e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bcaf273474069ffe4d6e0db22e2cbf.png)
(1)求椭圆C的标准方程;
(2)已知椭圆C的左焦点为F,过点F且不与坐标轴平行的直线l与椭圆相交于A,B两点,线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b5a34215542bec52ba524bd6e304ac.png)
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名校
6 . 已知椭圆
,四点
中恰有三点在椭圆C上.点P为圆
上任意一点,O为坐标原点.
(1)求椭圆C及圆M的标准方程;
(2)设直线l经过点P,且与椭圆C相切,与圆M相交于另一点A,点A关于原点的对称点为B,试判断直线
与椭圆C的位置关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a15360810bcd2178e35425903893c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff90e819e9b40bce395c51bf8ee2a6e1.png)
(1)求椭圆C及圆M的标准方程;
(2)设直线l经过点P,且与椭圆C相切,与圆M相交于另一点A,点A关于原点的对称点为B,试判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
您最近一年使用:0次
解题方法
7 . 若
四点恰有三点在椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5823fae7fe93cb9e1757b1216cf89b69.png)
上.
(1)求椭圆
的方程;
(2)动直线
与椭圆交于
两点,
中点为
,连
(其中
为坐标原点)交椭圆于
两点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2a50e89563c4cafe3182104bd0cdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5823fae7fe93cb9e1757b1216cf89b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42693384172f37febb8613e6b29bb37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f200adbe92c77d9e937872b17b4f99.png)
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名校
解题方法
8 . 已知椭圆
的离心率为
,
是C的上、下顶点,且
.过点
的直线l交C于B,D两点(异于
),直线
与
交于点Q.
(1)求C的方程;
(2)证明,点Q的纵坐标为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e13dcc66224ad30d1c6bc4920afe483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6358bc554fdd7175bc02bd2e06f405d0.png)
(1)求C的方程;
(2)证明,点Q的纵坐标为定值.
您最近一年使用:0次
2022-04-21更新
|
998次组卷
|
5卷引用:江西省南昌市八一中学2022届高三下学期三模数学(理)试题
名校
解题方法
9 . 已知椭圆
的左焦点与短轴两端点的连线及短轴构成等边三角形,且椭圆经过点
.
(1)求椭圆
的方程;
(2)不经过点
的直线
与椭圆
相交于
,
两点,
关于原点的对称点
,直线
,
与
轴分别交于
,
两点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ffdec919c11b150df444564b7e9497.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcbdf5ce9bf02f7d91311d22cfdf62a.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36d874d5d8db342ad523c33d13b15e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/78164bdbeab626e6a41d85fb1d535841.png)
您最近一年使用:0次
2022-04-16更新
|
1661次组卷
|
13卷引用:江西省南昌市八一中学2022届高三下学期三模数学(文)试题
江西省南昌市八一中学2022届高三下学期三模数学(文)试题江西省景德镇一中2021-2022学年高一(18班)下学期期末考数学试题甘肃省2022届高三第二次高考诊断考试数学(理)试题甘肃省2022届高三第二次高考诊断考试数学(文)试题(已下线)回归教材重难点04 圆锥曲线-【查漏补缺】2022年高考数学(文)三轮冲刺过关陕西省部分地市学校2022届高三下学期高考全真模拟考试理科数学试题(已下线)2022年高考考前最后一课-数学(正式版)-2022年高考数学(文)终极押题卷内蒙古赤峰二中2021-2022学年高二下学期第一次月考数学(理)试题江西省景德镇一中2022-2023学年高二(19班)下学期期中考试数学试题吉林省梅河口市第五中学2023届高三下学期第一次模拟考试数学试题(已下线)专题16圆锥曲线(解答题)广东实验中学2024届高三上学期第一次阶段考试数学试题(已下线)广东实验中学2024届高三上学期第一次阶段考试数学试题变式题19-22
解题方法
10 . 已知两动直线
,
分别过椭圆
的左焦点和中心,当
过椭圆上顶点时,直线
的距离为
.
![](https://img.xkw.com/dksih/QBM/2022/4/8/2953847934976000/2954472989630464/STEM/3969b115-4e72-47b5-b725-7a1e10447bd1.png?resizew=251)
(1)求椭圆C的方程;
(2)设
与椭圆C交于A,B两点,点A关于
的对称点为
,若经过点A,
,B的圆的圆心为点M,求点M横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56434d9b23622192a4da9850096470d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93408b6d58339be6d3cc16cdd64c58f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/2022/4/8/2953847934976000/2954472989630464/STEM/3969b115-4e72-47b5-b725-7a1e10447bd1.png?resizew=251)
(1)求椭圆C的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
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