1 . 已知抛物线
,顶点为
,过焦点的直线交抛物线于
,
两点.
(1)如图1所示,已知
|,求线段
中点到
轴的距离;
(2)设点
是线段
上的动点,顶点
关于点
的对称点为
,求四边形
面积的最小值;
(3)如图2所示,设
为抛物线上的一点,过
作直线
,
交抛物线于
,
两点,过
作直线
,
交抛物线于
,
两点,且
,
,设线段MN与线段
的交点为
,求直线
斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](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://img.xkw.com/dksih/QBM/editorImg/2024/1/29/bca47964-31b9-4ee5-846e-f5fcf24c09ea.png?resizew=271)
(1)如图1所示,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ed9d97b8745ed1c15349ea3fffc299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)设点
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea16ceca816f7d3d50650af141baf42.png)
(3)如图2所示,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.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/e47f2874795e9df280e3e0bec171358e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be6e0c4c7e268084a0523f54fbe9f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
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2024-02-28更新
|
913次组卷
|
9卷引用:上海市建平中学2023-2024学年高二上学期10月月考数学试题
上海市建平中学2023-2024学年高二上学期10月月考数学试题江西省抚州市临川第二中学2023-2024学年高二下学期第一次月考数学试卷(已下线)第三章 圆锥曲线的方程(压轴必刷30题7种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)3.3.1 抛物线及其标准方程(重难点突破)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)2024年全国普通高中九省联考仿真模拟数学试题(二)上海市宝山中学2023-2024学年高二上学期期终考试数学试题(已下线)第2章 圆锥曲线 单元综合检测(难点)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)2.4.2 抛物线的性质(九大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)题型24 5类圆锥曲线大题综合解题技巧
解题方法
2 . 已知点
,动圆
过点
且与
轴相切,
是圆
的直径,动点
的轨迹为曲线
.
(1)求
的方程;
(2)直线
与
交于另一点
,以线段
为直径作圆
,已知直线
是异于
轴且与圆
、圆
均相切的一条直线,
与
交于
两点,若直线
上一点
满足
交
轴于点
,
交线段
于
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.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/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.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/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844c47b2d09b96350e76fc83463bf599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0c26376b9f11f1d09d5a0d0f9d1c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a670d12554358604dc27abf2eaf1732.png)
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名校
解题方法
3 . 已知点
为抛物线
:
的焦点,过
且垂直于
轴的直线截
所得线段长为4.
(1)求
的值;
(2)
为抛物线
的准线上任意一点,过点
作MA,MB与
相切,A,B为切点,则直线AB是否过定点?若过,求出定点坐标;若不过,说明理由.
![](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/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解题方法
4 . 已知抛物线
:
,过焦点
的直线
与
交于
,
两点,
,
与
关于原点对称,直线
与直线
的倾斜角分别是
与
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ff82ebdfad5e7de1c7487b0b817a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a53e311ee0b5085e7e5a45c606daa5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88afa4818a6f2be7a4044f7a73d1a30d.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-17更新
|
831次组卷
|
3卷引用:福建省宁德市五校教学联合体2023届高三下学期3月质量监测数学试题
名校
5 . 已知抛物线C:
过点
,焦点为F,准线与x轴交于点T,直线l过焦点F且与抛物线C交于P,Q两点,过P,Q分别作抛物线C的切线,两切线相交于点H,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3247f03357462fec934f37c65ebdc77e.png)
A.![]() | B.抛物线C的准线过点H |
C.![]() | D.当![]() ![]() |
您最近一年使用:0次
2022-11-18更新
|
1569次组卷
|
3卷引用:福建省龙岩第一中学2022-2023学年高二上学期第三次月考数学试题
名校
解题方法
6 . 过点作抛物线
的两条切线,切点分别为
和
,又直线
经过抛物线
的焦点
,那么
=
您最近一年使用:0次
2022-10-23更新
|
2374次组卷
|
7卷引用:四川省成都外国语学校2023-2024学年高二上学期12月月考数学试题
四川省成都外国语学校2023-2024学年高二上学期12月月考数学试题四川省成都市第七中学2022-2023学年高三上学期第三次质量检测数学文科试题(已下线)专题9-4 抛物线性质应用归类-2(已下线)专题9-4 抛物线性质应用归类-3上海市新中高级中学2022-2023学年高二下学期期中数学试题四川省成都市树德中学2023-2024学年高二下学期入学考试数学试卷(已下线)大招24阿基米德三角形
名校
解题方法
7 . 已知抛物线
的焦点为
,准线
交
轴于点
,直线
过
且交
于不同的
两点,
在线段
上,点
为
在
上的射影,线段
交
轴于点
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c2d5ba20426f126eaba9d9cc895e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
A.对于任意直线![]() ![]() |
B.不存在直线![]() ![]() |
C.对于任意直线![]() ![]() ![]() |
D.存在直线![]() ![]() |
您最近一年使用:0次
2022-10-19更新
|
389次组卷
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12卷引用:广东省河源市河源中学2023届高三上学期10月教学质量检测数学试题
广东省河源市河源中学2023届高三上学期10月教学质量检测数学试题湖北省武汉市武昌实验中学2023-2024学年高二上学期12月月考数学试题广东省韶关市2022届高三综合测试(二)数学试题(已下线)2022年全国新高考II卷数学试题变式题1-4题(已下线)考点22 抛物线-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)第35练 抛物线(已下线)2022年全国新高考II卷数学试题变式题9-12题(已下线)3.3.2 抛物线的几何性质(难点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)重庆市四川外语学院重庆第二外国语学校2023届高三下学期开学考试数学试题(已下线)第3章 圆锥曲线的方程单元测试能力卷-2023-2024学年高二上学期数学人教A版(2019)选择性必修第一册(已下线)专题6 圆锥曲线焦半径公式(高三压轴小题大全)【练】(已下线)专题7 圆锥曲线与定比分点法【练】(压轴小题大全)
8 . 已知抛物线
的焦点为F,过点F的直线交该抛物线于
,
两点,点T(-1,0),则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
A.![]() |
B.![]() |
C.若三角形TAB的面积为S,则S的最小值为![]() |
D.若线段AT中点为Q,且![]() ![]() |
您最近一年使用:0次
2022-05-10更新
|
1363次组卷
|
5卷引用:重庆市第一中学校2022届高三下学期5月月考数学试题
重庆市第一中学校2022届高三下学期5月月考数学试题(已下线)重难点14三种抛物线解题方法-1(已下线)2.7.2 抛物线的几何性质浙江省杭州学军中学2022-2023学年高二上学期期中模拟数学试题黑龙江省哈尔滨德强学校2022-2023学年高二(清北AB班)上学期期中考试数学试题(A卷)
解题方法
9 . 过抛物线
焦点F的直线l交抛物线于点A、B,弦
长的最小值为4,直线
分别交直线
于点C,D(O为原点)·
![](https://img.xkw.com/dksih/QBM/2022/3/16/2937539728515072/2938915943669760/STEM/53a33ab18a5842349d03fbdf3330808a.png?resizew=189)
(1)求抛物线E的方程;
(2)圆M过点C、D,交x轴于点
,证明:若t为定值时,m也为定值.并求
时
面积S的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3562ca8ceed66136350983b2c9caf83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d6f2327f2fb63777d199e0d75f9539.png)
![](https://img.xkw.com/dksih/QBM/2022/3/16/2937539728515072/2938915943669760/STEM/53a33ab18a5842349d03fbdf3330808a.png?resizew=189)
(1)求抛物线E的方程;
(2)圆M过点C、D,交x轴于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc60d731a5d0640ec1119e42f75dff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473239f6bac88262276d3a7cc6d6b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370abdf35cb8817d35b78eea892731ce.png)
您最近一年使用:0次
名校
解题方法
10 . 如图,过抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点
作两条互相垂直的弦
、
,若
与
面积之和的最小值为16,则抛物线的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75ed10db4b9747a4b6d865b774f6b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fb6e81fee5674c3e26a65e58cc506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e64c953aaf341e772a5fe776fbc78a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/d3d3bb7b-8fb7-48a7-b507-ea6fe7674e08.png?resizew=220)
您最近一年使用:0次
2019-05-05更新
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3461次组卷
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9卷引用:湖北省襄阳市第五中学2022-2023学年高二上学期12月月考数学试题
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