名校
解题方法
1 . 已知抛物线
,点
和
为此抛物线的两个内接三角形(即三角形的三个顶点均在拋物线上),且均以点
为直角顶点,则直线
与直线
的交点坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb9603390e28948abd2e3cd96e1720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9123f019ba7acfe433e1003737388de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9e0d54d839e1a809a9617d073ac53a.png)
![](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/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
名校
解题方法
2 . 直线
交抛物线
于
、
两点,
是
上不与
、
重合的一个动点.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d0ccf8ec1d9159aa165794e06e7e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.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/4aa0df7f1e45f9de29e802c7f19a4f64.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.存在正实数![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.作![]() ![]() ![]() ![]() |
D.对于任意的正实数![]() ![]() ![]() ![]() |
您最近一年使用:0次
3 . 已知过
轴正半轴上一点
的直线
:
交抛物线
:
于
,
两点,且
,证明点
为定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8521011867cb921af7d8cdd083d751be.png)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81c49a3844da390e16a8b0038f06b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
4 . 已知
是抛物线
的焦点,
,
是该抛物线上的任意两点,则正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.若![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-01-29更新
|
207次组卷
|
2卷引用:山西省朔州市怀仁市2023-2024学年高三上学期第二次教学质量调研数学试题
5 . 已知抛物线
,其中p是定值,过焦点
的直线l与抛物线交于P,Q两点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6d06b9a4d3a891ea7c986b1ab4e925.png)
A.以P,Q为直径的圆与抛物线的准线![]() |
B.过P,Q两点分别作抛物线C的切线,两条切线的交点在准线![]() |
C.若抛物线C的准线![]() ![]() |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
6 . 设抛物线E:
的焦点为F,从点F发出的光线经过E上的点
不同于E的顶点
反射,可证明反射光线平行于E的对称轴,这种特点称为抛物线的光学性质.过E上的动点A向准线l作垂线,垂足为B,过点A的直线m与E相切,设m交l于点C,连接CF,FB,FB交AC于点D,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3932717847eb0859019f07a7445ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.m平分![]() | B.![]() |
C.![]() ![]() | D.点D在定直线上 |
您最近一年使用:0次
2023·全国·模拟预测
名校
解题方法
7 . 已知曲线C,直线
,点
,
,以曲线C上任意一点M为圆心、MF为半径的圆与直线l相切,过点
的直线与曲线C交于A,B两点,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e629b7fb4e39a092ebb78fb71ee56093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328aaba77106396d4ca644c8b7a352e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c441c7e1d4bc397894cc8a6a169e0d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a016bd561e8a5e9a28eb0833ba16c570.png)
您最近一年使用:0次
2023-11-22更新
|
643次组卷
|
5卷引用:模块二 专题2 解析几何中最值问题
(已下线)模块二 专题2 解析几何中最值问题(已下线)2024年普通高等学校招生全国统一考试理科数学领航卷(八)(已下线)2024年普通高等学校招生全国统一考试文科数学领航卷(六)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)试题四川省绵阳市绵阳中学2024届高三下学期二诊模拟数学(理)试题(二)
名校
解题方法
8 . 双曲线
的左、右焦点分别为
,过
作与
轴垂直的直线交双曲线
于
两点,
的面积为12,抛物线
以双曲线
的右顶点为焦点.
(1)求抛物线
的方程;
(2)如图,点
为抛物线
的准线上一点,过点
作
轴的垂线交抛物线于点
,连接
并延长交抛物线于点
,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baceffdbc496ff10b74f849ff9eb864b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/198b36e6-ba39-44b2-9bc1-176ad0bcedf1.png?resizew=161)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95dfb178a1df6623aa6ec1e06f868b92.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-08-22更新
|
866次组卷
|
7卷引用:河南省许昌市2022-2023学年高二上学期期末文科数学试题
河南省许昌市2022-2023学年高二上学期期末文科数学试题河南省许昌市2022-2023学年高二上学期期末理科数学试题(已下线)高二上学期期末数学模拟试卷(人教A版2019选择性必修第一册+第二册)-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019)(已下线)第08讲:圆锥曲线(大题) (必刷7大考题+7大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)福建省漳州市长泰第二中学2023-2024学年高二上学期第二次月考数学试题河北省沧州市泊头市第一中学2023-2024学年高二上学期第六次(12月)月考数学试题(已下线)第3章 圆锥曲线与方程章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第一册)
9 . 已知抛物线
,点
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74bc64a84fffca0bbc246bea0970d8e.png)
,过点
的直线与抛物线
交于
,
两点,AP,AQ分别交抛物线
于
,N两点,
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74bc64a84fffca0bbc246bea0970d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d60e12f831245f52296bea1126ba53.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/1dde8112e8eb968fd042418dd632759e.png)
A.焦点坐标为![]() | B.向量![]() ![]() |
C.直线MN的斜率为![]() | D.若直线PQ过焦点![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 抛物线:
,
是
上的点,直线
与
交于
两点,过
的焦点
作
的垂线,垂足为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d087313c8bc308b2a5832d6d3dd85174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d93594c33ce81ec8b3b958ce9500ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() |
C.![]() | D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-05-14更新
|
1002次组卷
|
3卷引用:湖北省武汉市5G联合体2022-2023学年高二下学期期末联考数学试题