名校
解题方法
1 . 已知圆
与x轴交于点
,且经过椭圆G:
的上顶点,椭圆G的离心率为
.
(2)若点A为椭圆G上一点,且在x轴上方,B为A关于原点O的对称点,点M为椭圆G的右顶点,直线PA与MB交于点N,
的面积为
,求直线PA的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6aa4bb3a9c773feabbbd0d11f05896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96499747e4aea990f4b878eea8d73ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
(2)若点A为椭圆G上一点,且在x轴上方,B为A关于原点O的对称点,点M为椭圆G的右顶点,直线PA与MB交于点N,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a163fbf4333651741cec447995092a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f91954f45b0677271eccdcd218a9530.png)
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆的焦点为
,且该椭圆经过点
.
(1)求椭圆的标准方程;
(2)直线
过
且与椭圆交于
两点,当
面积最大时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fecb84eefb8a3ed8db2ce10acae6b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22760845eeb2bdc4d546584670d175ac.png)
(1)求椭圆的标准方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ff8a5886e42095da57422c8777c10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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3 . 已知椭圆
的焦距为
,短半轴的长为2,过点
且斜率为1的直线
与椭圆
交于
两点.
(1)求椭圆
的方程及弦
的长;
(2)椭圆上有一动点
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.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/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)椭圆上有一动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ca3e3c9ff0d240e2bf0c74a325415d.png)
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2024-01-24更新
|
552次组卷
|
3卷引用:江苏省宿迁市青华中学2023-2024学年高二上学期期中考试普通班数学试卷
名校
解题方法
4 . 已知椭圆E的中心在坐标原点O,两个焦点分别为
,一个顶点为H
.
(1)求椭圆E的标准方程;
(2)对于y轴上的点
,椭圆E上存在点M,使得
,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912fac84002fe9a9dce2bd1b2f557d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
(1)求椭圆E的标准方程;
(2)对于y轴上的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccc7be55c17e88b24377a0207175903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2578b8155c7fafa48f4a0d1a2fff4b42.png)
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解题方法
5 . 已知椭圆
(其中
)上顶点与抛物线
的焦点重合,且椭圆
的四个顶点所围成的菱形的面积为4.
(1)求椭圆
的方程;
(2)过点
的直线
与
相交于A、
两点,试问曲线
上是否存在一点
,使得
,若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c36fdf8a7898c1765d66891571666c.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2155e04d81d0f5f5b5cfbeb7bd8e198c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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解题方法
6 . (1)求焦点在
轴上,离心率为
,半短轴长为
的椭圆的标准方程;
(2)求经过点
,且渐近线方程为
的双曲线的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(2)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13f28d079c2d6e6622df37e4cf13424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
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名校
解题方法
7 . 已知椭圆
过点
和
.
(1)求C的方程;
(2)设直线l:
,过椭圆右焦点的直线交椭圆于A,B两点,线段AB的垂直平分线分别交直线l,直线AB于M,N两点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f122dc124d609e6afd281abefbbe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b3560b239bca664c50848502cc878b.png)
(1)求C的方程;
(2)设直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dd765738d4e42badc87f97ecb53dd10.png)
您最近一年使用:0次
2023-12-12更新
|
293次组卷
|
2卷引用:江苏省泰州市口岸中学2023-2024学年高二上学期期中考试数学试卷
8 . 如图,在平面直角坐标系
中,已知椭圆
的离心率
,且椭圆
过点
,过点A作斜率为
的直线
交椭圆
于点
,交
轴于点
.
(1)已知
为
的中点,是否存在定点
,对于任意的
都有
,若存在,求出点
的坐标;若不存在说明理由;
(2)若过
点作直线
的平行线交椭圆
于点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/6f68ed75-19fc-43cf-a7b2-a91cda49b6ef.png?resizew=166)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df403c34f0e2d264b6a8e4cc2dd97a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c280f40de5a98078d6f1a5bac6bc5d7.png)
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解题方法
9 . 已知椭圆
的左焦点为
,右焦点为
,焦距
为
,过
的直线交椭圆
于
两点,且
的周长为
.
(1)求椭圆
的方程;
(2)若直线
的斜率为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](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/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
您最近一年使用:0次
名校
解题方法
10 . 在平面直角坐标系
中,已知椭圆C:
(
)的左、右焦点分别为
,且焦距为
,椭圆C的上顶点为B,且
.
(1)求椭圆C的方程;
(2)若直线l过点
,且与椭圆C交于M,N两点(不与B重合),直线BM与直线BN分别交直线
于P,Q两点.判断是否存在定点G,使得点P,Q关于点G对称,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea617baa0c3518c68a4ba38a66d4269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e78e65b66230c8ccb7193ac69ffc85.png)
(1)求椭圆C的方程;
(2)若直线l过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ebd2da016e7029c4dd72b9e377190c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
您最近一年使用:0次
2023-11-23更新
|
354次组卷
|
4卷引用:江苏省南京市2023-2024学年高二上学期期中调研测试数学试题