已知抛物线
的焦点为
,点
在抛物线
上,且
的面积为
(
为坐标原点).
(1)求抛物线
的方程;
(2)直线
与抛物线
交于
两点,若以
为直径的圆经过
点,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd77402ac2a64412eb64e81545c017a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e55b85a1dc91ee8a026ad44e82d42b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186c88482022ce0b88ab67b9897e6736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
20-21高二下·安徽芜湖·期中 查看更多[9]
安徽省芜湖市2020-2021学年高二下学期期中联考文科数学试题(已下线)考点37 抛物线-备战2022年高考数学一轮复习考点帮(浙江专用)(已下线)3.3.3直线与抛物线的位置关系(备作业)-【上好课】2021-2022学年高二数学同步备课系列(苏教版2019选择性必修第一册)(已下线)第3章 圆锥曲线与方程单元检测卷-2021-2022学年高二数学尖子生同步培优题典(苏教版2019选择性必修第一册)(已下线)一轮复习大题专练73—抛物线7(求直线的方程)—2022届高三数学一轮复习安徽省北京师范大学蚌埠附属学校(高中部)2021-2022学年高二上学期期中数学试题河南省郑州市新密市第一高级中学2022-2023学年高二上学期第三次月考数学试题安徽省滁州市定远县育才学校2021-2022学年高二(实验班)下学期开学摸底考试数学试题安徽省六安市田家炳实验中学2022-2023学年高二上学期第二次段考数学试题
更新时间:2022-11-26 22:00:14
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知抛物线
:
的焦点为
,点
在抛物线
上,且
.
(1)求抛物线
的标准方程.
(2)直线
:
与抛物线
交于
,
两点,直线外一点
,若
(
为坐标原点),直线
是否恒过点
?若是,求出定点
的坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c69d4266c932748ba6b7f4965f84e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6382b3d34bac9defce0a9565a4b547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea8f3ec976d440c63f551145ca2dc6f.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d375045a48a4538ee97062f681698c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cf45c56c45178f09f4ae96ec73bb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9693aa85b42951e185ff3822d020440c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
您最近一年使用:0次
【推荐2】已知抛物线
,点
为
上一点,且
到
的准线的距离等于其到坐标原点
的距离.
(1)求
的方程;
(2)设
为圆
的一条不垂直于
轴的直径,分别延长
交
于
两点,求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d5e0c8ba66dcd2d7d4cc7f34ad602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfb84f31108bf596ba63e9fa510b293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739ac456da45baf5f103ba376ae88058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知抛物线
的焦点为F,点
在抛物线C上.
(1)求抛物线C的方程及其准线方程;
(2)过点M的直线l与抛物线C相交于M,N两点,且
的面积为3,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dab265ebd7236a6b8e2be7c0e11bac.png)
(1)求抛物线C的方程及其准线方程;
(2)过点M的直线l与抛物线C相交于M,N两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a5c35b41bb1a8fa59998a6dcc791f1.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知抛物线
上的两个动点
和
,焦点为F,线段
的中点为
,且点
到抛物线的焦点F的距离之和为8
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/7b0c41d6-b4d9-4680-aa6b-43a80bb42cfe.png?resizew=174)
(1)求抛物线的标准方程;
(2)若线段
的垂直平分线与x轴交于点C,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9867693fabe11c5b9acf9cb2481343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5868be6655f2c64a9966332b88c19b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2a767697131f1cf609f2779ea42abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/7b0c41d6-b4d9-4680-aa6b-43a80bb42cfe.png?resizew=174)
(1)求抛物线的标准方程;
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知平面上动点Q(x,y)到F(0,1)的距离比Q(x,y)到直线
的距离小1,记动点Q(x,y)的轨迹为曲线C.
(1)求曲线C的方程.
(2)设点P的坐标为(0,-1),过点P作曲线C的切线,切点为A,若过点P的直线m与曲线C交于M,N两点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fec96b5e74f5c2915a1d34d0fdeb737.png)
(1)求曲线C的方程.
(2)设点P的坐标为(0,-1),过点P作曲线C的切线,切点为A,若过点P的直线m与曲线C交于M,N两点,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766ab8e8f778cd4c40133eb04963425e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,矩形
,
,
,
、
分别是
、
的中点,以某动直线
为折痕将矩形在其下方的部分翻折,使得每次翻折后点
都落在
上,记为
,过点
作
,与直线
交于点
,设点
的轨迹是曲线
.
(1)建立恰当的直角坐标系,求曲线
的方程;
(2)
是
上一点,
,过点
的直线交曲线
于
、
两点,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c097f033b5094cfd504c27642f29e1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/56622854-ed59-4510-a8f7-49a9e9074336.png?resizew=171)
(1)建立恰当的直角坐标系,求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169aeb5bb26176d46955205d0af9c889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb320150a5f479e9a52983b92e39504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次