1 . 已知抛物线
过点
,焦点为F.
(1)求抛物线C的方程;
(2)求过点P且与抛物线C有且仅有一个公共点的直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a08092ea1dbc65fe683842acbdde8ac.png)
(1)求抛物线C的方程;
(2)求过点P且与抛物线C有且仅有一个公共点的直线l的方程.
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2 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆C的方程;
(2)若过椭圆C焦点F的直线l与椭圆C交于A,B两点,且以
为底边的等腰直角三角形的顶点恰好在y轴上,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829bcc293d9c5d54d09c9d5472716e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆C的方程;
(2)若过椭圆C焦点F的直线l与椭圆C交于A,B两点,且以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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3 . 已知双曲线C:
(
,
)的右顶点为A,左焦点为F,过点F且斜率为1的直线与C的一条渐近线垂直,垂足为N,且
.
(1)求C的方程.
(2)过点
的直线交C于
,
两点,直线AP,AQ分别交y轴于点G,H,试问在x轴上是否存在定点T,使得
?若存在,求点T的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a54c1f905e5f4c6a1244a749136399.png)
(1)求C的方程.
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8547f2b4e89b0ae1445bda02d46f0668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbf245230064bc31abdc28447b320f3.png)
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2024-01-04更新
|
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5卷引用:广东省东莞市东华高级中学2024届高三一模数学试题
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4 . 已知椭圆C的一个顶点为
,两焦点坐标分别为
,
.
(1)求椭圆C的标准方程;
(2)若直线
,与椭圆C交于不同的两点M,N,满足
,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486279e7ff9f2b76c2ce712f5dedcb9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385afe18c3fad66fdeadf74be824283c.png)
(1)求椭圆C的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becdcb8a871e8965853acf0687034c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b485b62d004d52fb31d6ed99ccb7669.png)
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5 . 已知椭圆
(
),
是其左焦点,过原点
的直线
交椭圆于A,B两点,M,N分别是
,
的中点,若存在以
为直径的圆过原点,则椭圆离心率的最小值为______ .
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](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/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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|
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2卷引用:广东省东莞市东华高级中学2023-2024学年高二上学期期中考试数学试卷
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6 . 阿基米德是古希腊著名的数学家、物理学家,他利用“通近法”得到椭圆的面积,除以圆周率
等于椭圆的长半轴长与短半轴长的乘积.已知面积为
的椭圆,以
(
)的左焦点为
,P为椭圆上任意一点,点Q的坐标为
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8bf24cf329dc5918123125b8118829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e1a85a657231ef717809d5a839ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d968044241d03105c05c40fd6b94264.png)
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2023-12-25更新
|
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6卷引用:广东省东莞市东华高级中学2024届高三上学期第二次调研数学试题
广东省东莞市东华高级中学2024届高三上学期第二次调研数学试题四川省成都市西北中学2023-2024学年高二上学期12月阶段性检测数学试题(已下线)专题11椭圆(3个知识点7个拓展2个突破7种题型2个易错点)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)广东省惠州市第一中学2024届高三上学期第四次阶段测试数学试题(已下线)3.1.1 椭圆及其标准方程【第三练】“上好三节课,做好三套题“高中数学素养晋级之路四川省南充高级中学2023-2024学年高二下学期第一次月考(3月)数学试题
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7 . 双曲线
(
)的离心率是
,则实数
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e868b934e7c4e1a56b859ec58c244d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.12 | B.16 | C.20 | D.24 |
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8 . 已知
为坐标原点,
是双曲线
:
的左焦点,
为
的右顶点,过
作
的渐近线的垂线,垂足为
,且与
轴交于点
.若直线
经过
的靠近
的三等分点,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/3040b6c904477030ecf8ba20b2b18759.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/a0ed1ec316bc54c37c4286c208f55667.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.2 | B.![]() | C.3 | D.![]() |
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2023-12-20更新
|
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|
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9 . 已知椭圆
与双曲线
(
,
)具有相同的左、右焦点
、
,点
为它们在第一象限的交点,动点
在曲线
上,若记曲线
,
的离心率分别为
,
,满足
,且直线
与
轴的交点的坐标为
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8210484dd6815b5bebc7b22f1389cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ab2caccd742eb636bd8378661a8807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b967232e28ad0d453adc66676bdf8b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f1ea30341eb5d584710c3aebc64ce8.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bcaf273474069ffe4d6e0db22e2cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c997b8781cf6fe0610171070f13127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8865ce43941563e187aa89e7ff2372c.png)
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2023-12-16更新
|
1271次组卷
|
6卷引用:广东省东莞市东华高级中学2024届高三一模数学试题
10 . 设抛物线
,直线
与抛物线交于
、
两点且
,则
的中点到
轴的最短距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088fcdd595455906a1a7080d630611f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.1 | C.![]() | D.2 |
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2023-12-13更新
|
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