1 . 如图,已知抛物线C:
的焦点F到其准线的距离为2.
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894540680740864/2897887099265024/STEM/2d6f75e5d5d2485da2e101ef28f219da.png?resizew=199)
(1)求p的值;
(2)设过焦点F的直线l与抛物线C交于A,B两点,O为坐标原点,记△AOB的面积为S,当
时,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894540680740864/2897887099265024/STEM/2d6f75e5d5d2485da2e101ef28f219da.png?resizew=199)
(1)求p的值;
(2)设过焦点F的直线l与抛物线C交于A,B两点,O为坐标原点,记△AOB的面积为S,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7f315b03621f40a28fe13e76c5d7bf.png)
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2022-01-19更新
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3卷引用:2022年1月浙江省普通高中学业水平考试数学试题
解题方法
2 . 如图,已知点
,抛物线
的焦点是
,A,B是抛物线上两点,四边形
是矩形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/0eda5efc-8f0b-453b-ad96-b6b705859acf.png?resizew=188)
(1)求抛物线的方程;
(2)求矩形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d1f45ebac57e2d0849037ff87f136f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2347bec7975dab2b8bce2fd19b1237d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2022d4415ac08824e09be0bec68154b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/0eda5efc-8f0b-453b-ad96-b6b705859acf.png?resizew=188)
(1)求抛物线的方程;
(2)求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2022d4415ac08824e09be0bec68154b3.png)
您最近一年使用:0次
2021-11-21更新
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526次组卷
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5卷引用:2021年7月浙江省普通高中学业水平考试数学试题
2021年7月浙江省普通高中学业水平考试数学试题浙江省金华十校2023-2024学年高三上学期11月月考模拟数学试题(已下线)3.3 抛物线-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)2023版 北师大版(2019) 选修第一册 突围者 第二章 第三节 课时2 抛物线的简单几何性质(已下线)黄金卷07(2024新题型)
3 . 如图所示,P(在函数的左边)与Q(在函数的右边)分别为函数
的两个点,F为该抛物线的焦点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/e83ec34e-fa4c-4005-890f-96d2920c5f6e.png?resizew=145)
(1)若P的坐标为(-2,t),连接PF交抛物线另一点于H点,求H点的坐标;
(2)记PQ直线为m,其在y轴上的截距为6,过P作抛物线的切线,交抛物线的准线于M点,连接QF,若QF恰好经过M点,求直线m的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/e83ec34e-fa4c-4005-890f-96d2920c5f6e.png?resizew=145)
(1)若P的坐标为(-2,t),连接PF交抛物线另一点于H点,求H点的坐标;
(2)记PQ直线为m,其在y轴上的截距为6,过P作抛物线的切线,交抛物线的准线于M点,连接QF,若QF恰好经过M点,求直线m的方程.
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2卷引用:2021年浙江省普通高中学业水平模拟考试数学试题
4 . 已知抛物线
的焦点为
,点
在
上,且
(
为坐标原点).
(1)求
的方程;
(2)若
是
上的两个动点,且
两点的横坐标之和为
.
(ⅰ)设线段
的中垂线为
,证明:
恒过定点.
(ⅱ)设(ⅰ)中定点为
,当
取最大值时,且
,
位于直线
两侧时,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ac8fe62f8e955e60f351a06e68dace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b36bb0e58d69f19bebc43670677caf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3c1bddc298ef31a7904ee1dbb2257a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/cd3304e23f3b0f9569c4140ca89b6498.png)
(ⅰ)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(ⅱ)设(ⅰ)中定点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05da40a2d7dab5d6a003906ca19d4749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dc424cb041fc543649a2379d85d1d1e4.png)
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10卷引用:2022年1月浙江省普通高中学业水平考试数学仿真模拟试卷B
(已下线)2022年1月浙江省普通高中学业水平考试数学仿真模拟试卷B(已下线)考点38 直线与圆锥曲线的位置关系-备战2022年高考数学一轮复习考点帮(浙江专用)全国100所名校2021年高考冲刺试卷(样卷一)文科数学试题(已下线)2.4 抛物线(提高练)-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)(已下线)第06讲 抛物线的简单几何性质-【帮课堂】(已下线)3.3.2 (分层练)抛物线的简单几何性质-2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)(已下线)3.3 抛物线(精讲)-2021-2022学年高二数学一隅三反系列(人教A版2019选择性必修第一册)(已下线)专题13 圆锥曲线-备战2022年高考数学(文)母题题源解密(全国乙卷)(已下线)专题21 圆锥曲线综合-备战2022年高考数学(理)母题题源解密(全国乙卷)江苏省泰州中学2021-2022学年高二下学期第一次质量检测数学试题
5 . 如图,已知抛物线
上一点
到焦点
的距离为
,直线
与抛物线交于
两点,且
(
为坐标原点),记
,
的面积分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/d006cfc6-e5f5-46d6-a5e7-c2cd6462799d.png?resizew=173)
(1)求抛物线的方程;
(2)求证直线
过定点;
(3)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4569dd44eeb1f2ee56c930e609b6b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6e46c3989bc6e4e6bb2fb93bfc8ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e55b85a1dc91ee8a026ad44e82d42b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/d006cfc6-e5f5-46d6-a5e7-c2cd6462799d.png?resizew=173)
(1)求抛物线的方程;
(2)求证直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c21cbb1c2bcbcb8391ac5a879f2ae0.png)
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解题方法
6 . 已知抛物线
的焦点为
,点
在抛物线
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/983449cf-bc22-49eb-851a-c43c5bec58fd.png?resizew=157)
(1)求抛物线
的方程;
(2)若
,求点
的坐标;
(3)过点
作两条互相垂直的直线分别交抛物线
于
四点,且点
分别为线段
的中点,求
的面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5179dea5472d2dd3a732673f462d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/983449cf-bc22-49eb-851a-c43c5bec58fd.png?resizew=157)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c9aa5dc8e688868ad3eac88714cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e15d188f2c16bd519fba975c4a86db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf66a5f30d94390f59c6a3d1ae6c46.png)
您最近一年使用:0次
2021-05-05更新
|
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5卷引用:2022年1月浙江省普通高中学业水平考试数学仿真模拟试卷C
(已下线)2022年1月浙江省普通高中学业水平考试数学仿真模拟试卷C(已下线)【新东方】高中数学20210527-010【2021】【高二下】上海市嘉定区2021届高三二模数学试题宁夏中卫市2021届高三三模数学(理)试题(已下线)课时38 抛物线-2022年高考数学一轮复习小题多维练(上海专用)
名校
解题方法
7 . 如图,直线
与圆
相切于点
,与抛物线
相交于不同的两点
,与
轴相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/cc2dd4ed-7123-49ce-83d4-73a0612c9486.png?resizew=161)
(1)若
是抛物线
的焦点,求直线
的方程;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde2941984c5c8006696ad5c1335a43a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a21e03308445a692e1e88db6a760264.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/cc2dd4ed-7123-49ce-83d4-73a0612c9486.png?resizew=161)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0a91672a7e8ca93753a85838d87e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2021-05-04更新
|
344次组卷
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4卷引用:2021年1月浙江省普通高中学业水平考试数学试题
2021年1月浙江省普通高中学业水平考试数学试题(已下线)押第21题圆锥曲线-备战2021年高考数学临考题号押题(浙江专用)江西省高安中学2020-2021学年高二上学期期末考试数学(文)试题江西省赣州市赣县第三中学2021-2022学年高二12月月考数学(文)试题
8 . 已知过抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点,斜率为
的直线交抛物线于
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
两点,且
.
(1)求该抛物线的方程;
(2)
为坐标原点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75de1947893e5c7a4d98d4458398fd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.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/ebafae7bc9b17814db58ff4f383b7271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e509deba699c04ef28eee118c1f5004b.png)
(1)求该抛物线的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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7卷引用:2023年浙江省普通高中学业水平考试押题预测数学试题
2023年浙江省普通高中学业水平考试押题预测数学试题江苏省淮安市涟水中学2020-2021学年高二上学期模块检测(二)数学试题(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)安徽省六安市新安中学2021-2022学年高二下学期开学考试数学试题黑龙江省大庆市东风中学2021-2022学年高二下学期开学考试数学试题四川省内江市高中2023届零模考试数学文科试题辽宁省沈阳市东北育才学校科学高中部2021-2022学年高二上学期第二次阶段检测数学试卷
9 .
是抛物线
上的动点,过点
作圆
的两条切线
交
轴于
两点.
![](https://img.xkw.com/dksih/QBM/2021/10/24/2841795541712896/2845208221401088/STEM/f74264c0-680e-484b-ac09-02765ad9ac5f.png?resizew=317)
(1)若两条切线
的斜率乘积为1,求
点的纵坐标;
(2)求当
时,
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f4123c19136d3a4dc040dce8e34e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ee1aeafdfc0aa7ae03e7336c81b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/2021/10/24/2841795541712896/2845208221401088/STEM/f74264c0-680e-484b-ac09-02765ad9ac5f.png?resizew=317)
(1)若两条切线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9e8fc7ae421f844c3d998d2212cf45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
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解题方法
10 . 在平面直角坐标系
中,已知椭圆
:
的离心率为
,短轴长为2.
![](https://img.xkw.com/dksih/QBM/2021/5/7/2716177558085632/2718689276895232/STEM/feed4877-2128-4149-993b-06cdf9cfebe4.png?resizew=293)
(1)求椭圆
的标准方程;
(2)设
为椭圆上顶点,点
是椭圆
上异于顶点的任意一点,直线
交
轴于点
,点
与点
关于
轴对称,直线
交
轴于点
.问:在
轴的正半轴上是否存在点
,使得
?若存在,求点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/2021/5/7/2716177558085632/2718689276895232/STEM/feed4877-2128-4149-993b-06cdf9cfebe4.png?resizew=293)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.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/7f9e8449aad35c5d840a3395ea86df6d.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12a125982972479eec216e903aad3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2021-05-11更新
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4卷引用:2019年浙江省普通高中学业水平名师预测卷(三)
2019年浙江省普通高中学业水平名师预测卷(三)天津市耀华中学2021届高三下学期一模数学试题天津市第四十七中学2021-2022学年高三上学期第二次月考数学试题(已下线)考点巩固卷20 椭圆方程及其性质(十大考点)