名校
解题方法
1 . 已知抛物线
的焦点为
,准线为
是
上在第一象限内的点,且直线
的倾斜角为
,点
到
的距离为
.
(1)求
的方程;
(2)设直线
与
交于
两点,
是线段
上一点(异于
两点),
是
上一点,且
轴.若平行四边形
的三个顶点
均在
上,
与
交于点
,证明:
为定值.
![](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/89ea803e31d2dedcf0590e0a0475e7ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c9d44deafbbbb631c4c0db884c8874.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fff8b8bbff7c4936ef253e2b452c04b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dea6aa2b6d8362542af3a7a8d55c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77e5821b24a76c71fdc2cf59fbba308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9dbc88b9b4e56bba87388dfea00b889.png)
您最近一年使用:0次
名校
解题方法
2 . 已知抛物线
的焦点为
(不同于原点)是直线
与
的一个公共点.若
,则
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56afb8c84a2105d525b84b6862a5426.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/097f96fa2acd52a77bd9e2d3c33f53fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 设O为坐标原点,直线
过抛物线
的焦点,且与C交于M,N两点,l为C的准线,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01de68e6fc033afcf15944f1a5995b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
A.![]() | B.![]() |
C.以MN为直径的圆与l相切 | D.![]() |
您最近一年使用:0次
2023-06-07更新
|
33716次组卷
|
32卷引用:甘肃省永昌县第一高级中学2023-2024学年高三上学期10月第一次数学月考试题
甘肃省永昌县第一高级中学2023-2024学年高三上学期10月第一次数学月考试题 甘肃省酒泉市瓜州县第一中学2024届高三上学期期末数学试题2023年新课标全国Ⅱ卷数学真题(已下线)2023年高考数学真题完全解读(新高考Ⅱ卷)专题07平面解析几何(成品)专题07平面解析几何(添加试题分类成品)专题07平面解析几何(成品)(已下线)2023年新课标全国Ⅱ卷数学真题变式题6-10山西省晋城市第一中学校2024届高三上学期8月月考数学试题(已下线)考点14 直线与圆锥曲线相交问题 2024届高考数学考点总动员(已下线)第07讲 抛物线及其性质(练习)(已下线)第一讲:数形结合思想【练】(已下线)专题14 抛物线-1(已下线)第4讲: 圆锥曲线几何性质【练】(已下线)第3讲:圆锥曲线的定义以及应用【练】(已下线)专题08 圆锥曲线 第一讲 圆锥曲线的方程与性质(解密讲义)(已下线)题型22 5类圆锥曲线解题技巧(已下线)重难点13 圆锥曲线常考经典小题全归类【十二大题型】(已下线)专题8.4 抛物线综合【八大题型】(已下线)FHsx1225yl200(已下线)专题17 解析几何多选、填空(理科)-2(已下线)专题16 解析几何填空题(文科)-2专题08平面解析几何(已下线)第24讲 抛物线的简单几何性质6种常见考法归类(1)辽宁省铁岭市某校2023-2024学年高二上学期第二次阶段考试数学试题内蒙古呼和浩特市内蒙古师范大学附中2023-2024学年高二上学期12月月考数学试题河南省开封市五县2023-2024学年高二上学期联考数学试题河南省驻马店市开发区高级中学2023-2024学年高二上学期第二次质量检测数学试题安徽省滁州市滁州中学2023-2024学年高二上学期期末数学试题江西省宜春市丰城市东煌学校2023-2024学年高二上学期期末数学试题福建省福州第二中学2023-2024学年高二上学期第二学段考试数学试题辽宁省朝阳市建平县实验中学2023-2024学年高二下学期5月期中考试数学试题
4 . 已知抛物线
的焦点为
,直线
交抛物线
于
两点,当直线
过点
时,点
到
的准线的距离之和为
,线段
的中点到
轴的距离是4.
(1)求抛物线
的方程;
(2)当
时,设抛物线
在点
处的切线交于点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b68bc87ec76189d5fedd42fca080ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f60b426e6d144098cced053b49137dc.png)
您最近一年使用:0次
2023-05-13更新
|
499次组卷
|
3卷引用:甘肃省2023届高三第三次高考诊断考试文科数学试题
解题方法
5 . 设抛物线
的焦点为F,准线为l,
,以M为圆心的圆M与l相切于点Q,Q的纵坐标为
,
是圆M与x轴的不同于F的一个交点.
(1)求抛物线C与圆M的方程;
(2)过F且斜率为
的直线n与C交于A,B两点,求△ABQ的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79629e3141e62979d74951d9f7ccddb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8794dad05cff3e19d6ba8f1658aa8422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e53cc4b3ca1e634a95404fb634e5eb.png)
(1)求抛物线C与圆M的方程;
(2)过F且斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
您最近一年使用:0次
名校
6 . 已知抛物线
的焦点
,过
的直线与
交于
,
两点,准线与
轴的交点为
,当
时,直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3342ceb71dc21a5e6150caad2ce0b029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-17更新
|
546次组卷
|
4卷引用:甘肃省张掖市某重点校2022-2023学年高三上学期12月月考数学(理)试题
名校
7 . 已知抛物线
上的点
到其焦点F的距离为
.
(1)求抛物线C的方程;
(2)点
在抛物线C上,过点
的直线l与抛物线C交于
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
两点,点H与点A关于x轴对称,直线AH分别与直线OE,OB交于点M,N(O为坐标原点),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd449692c0dd43ed423f2a9a84b398dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab085ce98211fa5cbc6dfb88f9b6935a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
(1)求抛物线C的方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb47498affbcb3353e59adc08321540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56286216c1c313e19f4a196fcaba6b29.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/87b9202e7256919bd5f9e993bd133cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a62c20f550321836690806be60d4f5c.png)
您最近一年使用:0次
2022-09-20更新
|
341次组卷
|
2卷引用:甘肃省张掖市2022-2023学年高三上学期第一次诊断考试数学(理)试题
名校
8 . 已知抛物线
的焦点是
,
是
的准线上一点,线段
与
交于点
,与
轴交于点
,且
,
(
为原点),则
的方程为___________ .
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b47b9bc9cc8352edf511eb8212817488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759d9b1916cea707bc98969c3477a2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022-09-09更新
|
606次组卷
|
7卷引用:甘肃省白银市靖远县2022-2023学年高三上学期开学考试数学(理)试题
甘肃省白银市靖远县2022-2023学年高三上学期开学考试数学(理)试题四川省部分重点中学2022-2023学年高三上学期9月联考数学(理科)试题安徽省滁州市定远县第三中学2022-2023学年高三上学期9月月考数学试题(已下线)专题40 抛物线及其性质-3四川省阆中中学校2022-2023学年高二上学期9月月考数学理科试题(已下线)专题3.3 抛物线(4类必考点)-2022-2023学年高二数学必考点分类集训系列(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【第二课】“上好三节课,做好三套题“高中数学素养晋级之路
名校
解题方法
9 . 已知抛物线
,点
在抛物线
上.
(1)求抛物线
的准线方程;
(2)过点
的直线
与抛物线
交于
两点,直线
交
轴于点
,直线
交
轴于
,记直线
的斜率分别为
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4007573c2caa9151be818ea71ec090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23728b4c0467a27d90f71b424f6a946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2352fd3ab9597b8256a41675bc0404bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
您最近一年使用:0次
2022-05-22更新
|
836次组卷
|
4卷引用:2022届甘肃省武威第六中学高三下学期第八次诊断考试数学(文)试题
2022届甘肃省武威第六中学高三下学期第八次诊断考试数学(文)试题安徽省皖江名校2022届高三下学期最后一卷文科数学试题安徽省皖江名校2022届高三下学期最后一卷理科数学试题(已下线)2.8直线与圆锥曲线的位置关系(1)
10 . 如图,已知点
,直线
:
,
为平面上的动点,过
作直线
的垂线,垂足为点
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c395d54ab6a85b1635f300057d1a8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/4fae471f-dece-4ec4-96ba-78e252212ee3.png?resizew=175)
(1)求动点
的轨迹
的方程;
(2)过点
作直线
交轨迹
于
、
两点.记直线
、
的斜率分别为
、
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c395d54ab6a85b1635f300057d1a8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/4fae471f-dece-4ec4-96ba-78e252212ee3.png?resizew=175)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c8c934fb978c8840bed9680408977c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
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2022-08-13更新
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3卷引用:甘肃省武威第二中学2020-2021学年高三下学期开学考试理科数学试题