名校
解题方法
1 . 已知椭圆
为
的左、右焦点,点A在
上,直线
与圆
相切.
(1)求
的周长;
(2)若直线
经过
的右顶点,求直线
的方程;
(3)设点
在直线
上,
为原点,若
,求证:直线
与圆
相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cbcdbead5feb9ed5ebd48d2a9d15d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133eb3bb45bc93ecc88a186d7be937b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50e597f9c9d0f6d4ccf34c0e5593df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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|
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2卷引用:2024届上海市长宁区高考一模数学试题
名校
解题方法
2 . 如图1,已知抛物线
的方程为
,直线
的方程为
,直线
交抛物线
于
两点
为坐标原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/0008615f-3240-4be7-9b0b-35fd723516a1.png?resizew=318)
(1)若
,求
的面积的大小;
(2)
的大小是否是定值?证明你的结论;
(3)如图2,过点
分别作抛物线的切线
和
(两切线交点为
),
分别与
轴交于
,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ad7c068b9b7c0fd764cf7746407079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031da5d48fbe63745429b1add253344f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7ddd8b2f1cfaac8c354bd3600860b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/0008615f-3240-4be7-9b0b-35fd723516a1.png?resizew=318)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
(3)如图2,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23b488f961d9fde37feb7f5c497c0d9.png)
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3卷引用:上海市奉贤区奉贤中学2024届高三上学期12月月考数学试题
解题方法
3 . 椭圆
与直线
交于M,N两点,连接原点与线段
中点所得直线的斜率为
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2085af2326d0e13a12d3db8dbb79f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b78b98443d32512ddcfe86aefd507db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0be44077d42cfffece905b1af13e000.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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375次组卷
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5卷引用:微考点6-4 利用二级结论秒杀椭圆双曲线中的选填题
(已下线)微考点6-4 利用二级结论秒杀椭圆双曲线中的选填题天津市蓟州区第二中学2023-2024学年高二上学期月考2数学试题(已下线)第3章:圆锥曲线与方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)(已下线)第三章:圆锥曲线的方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题16 椭圆的中点弦问题(期末选择题16)2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)
名校
解题方法
4 . 已知
,曲线
、
的方程分别为
和
,
与
在第一象限内相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/d6a3207c-a7b3-478f-b066-21e25fb30664.png?resizew=179)
(1)若
,求
的值;
(2)若
,定点
的坐标为
,动点
在直线
上,动点
在曲线
上,求
的最小值;
(3)已知点
、
在曲线
上,点
、
关于直线
的对称点分别为
、
,设
的最大值为
,
的最大值为
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dece47c23e53eca430269ad7b12e0891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2216525c2e569d608eaa59779d4b7c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5a9867a4462961a98c1e5c5e00b9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca072cc62e09a771423ae1f4ceea5ba5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/d6a3207c-a7b3-478f-b066-21e25fb30664.png?resizew=179)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee4f1435f083b29366171c5f2d9334e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cfa2a6d9749a619edf80bad8b3e4962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6115df2ed89b37d9fe8a92faf7f73d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7593498eac4b57dbd2a07d941812867d.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069bfae6fbefdb44878357b98789e5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f126ffed44c65c7d4afd081776ed35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.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/d77f5191798242b7b9b88a75e17e4425.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/21448de9fe4710bf0d48138724832031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60436c1f7b5c2f6b5331548216e8077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f404e301cf47816f0698d4ac194ffb37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2023-12-12更新
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|
3卷引用:上海市闵行区2024届高三上学期学业质量调研(一模)数学试卷
名校
解题方法
5 . 已知抛物线
的焦点为F,点
在抛物线C上,且
,直线l与抛物线C相交于A,B两点(A,B均异于原点).
(1)求抛物线C的方程;
(2)若以AB为直径的圆恰好经过坐标原点,证明:直线l恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf92a1ba410263d4f68b7e0432b19aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65c5dfcfb0eb91d1e25eb033c39d7a7.png)
(1)求抛物线C的方程;
(2)若以AB为直径的圆恰好经过坐标原点,证明:直线l恒过定点.
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6 . 已知椭圆C:
,
,
是椭圆C上两点,
,则弦
长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc603fea876cbf85b1efcb5bab0d500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe6e872d6a5ef136396ba5e16a02cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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名校
解题方法
7 . 已知椭圆M:
,点
在其上,直线l交椭圆于A,B两点,
的重心是坐标原点,则直线l的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6daa770ba5461eb86280abe4fbf47b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:四川省绵阳市南山中学实验学校2024届高三上学期1月月考数学(理)试题
四川省绵阳市南山中学实验学校2024届高三上学期1月月考数学(理)试题重庆市育才中学、西南大学附中、万州中学2023~2024学年高二上学期12月联考数学试题(已下线)第三章:圆锥曲线的方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题16 椭圆的中点弦问题(期末选择题16)2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)
名校
解题方法
8 . 已知抛物线
的焦点为B,C的准线与y轴交于点A,P是C上的动点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f6b71cc99642d5bcc1bb3ed14aa241.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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2卷引用:辽宁省朝阳地区2024届高三上学期期中数学试题
23-24高二上·河北石家庄·阶段练习
名校
解题方法
9 . 已知直线l的方程为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748dd1e06844c0d1f0b306f52930fbc6.png)
A.l与直线![]() |
B.l与椭圆![]() |
C.l与圆![]() |
D.满足与双曲线![]() |
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5卷引用:广东省广州市执信中学2024届高三上学期大湾区数学冲刺卷(一)
广东省广州市执信中学2024届高三上学期大湾区数学冲刺卷(一)(已下线)河北省石家庄精英中学2023-2024学年高二上学期第三次调研数学试题广东省广州市真光中学2023-2024学年高二上学期期末模拟数学试题(已下线)专题12双曲线(3个知识点5个拓展2个突破8种题型5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)(已下线)高二数学开学摸底考 01(人教B版2019选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷
解题方法
10 . 已知抛物线
为
上一点,
到
的焦点
的距离为
.
(1)求
的标准方程;
(2)设
为坐标原点,
,
为抛物线
上异于
的两点,且满足
.判断直线
是否过定点,若过定点,求出定点的坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a814bb25e84b758c8a6181321014e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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