1 . 已知抛物线
的准线与
轴交于点
,过焦点
的直线与
交于
,
两点,且
,
,
的中点为
,过
作
的垂线交
轴于点
,点
在
的准线上的射影为点
,现有下列四个结论:
①
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b46051fea24610b42da314ec58bbb80.png)
②若
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fa2b518ebf9484213915998ef221c4.png)
④过
的直线与抛物线交于
,
,则
.
其中正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d335e66dec30244e3ee1c0d193335e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b46051fea24610b42da314ec58bbb80.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3003587b95523caeb2d8ccaf27fa5a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fa2b518ebf9484213915998ef221c4.png)
④过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.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/5c0b06dc01c30d13f64be2ac6a1d811e.png)
其中正确结论的序号为
您最近一年使用:0次
名校
解题方法
2 . 设抛物线
,过焦点
的直线与抛物线
交于点
、
.当直线
垂直于
轴时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/11804ba6-02c8-411e-94fb-ae09a83adffc.png?resizew=145)
(1)求抛物线
的标准方程.
(2)已知点
,直线
、
分别与抛物线
交于点
、
.求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/11804ba6-02c8-411e-94fb-ae09a83adffc.png?resizew=145)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2024-01-09更新
|
1000次组卷
|
5卷引用:宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(二)
宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(二)安徽省合肥市第一中学2023-2024学年高二上学期1月考数学考试试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)(已下线)模块七 圆锥曲线(测试)(已下线)专题18 圆锥曲线高频压轴解答题(16大题型)(练习)
3 . 在平面直角坐标系
中,直线
经过抛物线
的焦点
,且与
相交于
两点,直线
交
的准线于点
.
(1)若
,求直线
的方程;
(2)证明:直线
平行于
轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff68d05f91fd9b2af325a377d290249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29f0900164e8ff6af514a46c8b5017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-11-16更新
|
535次组卷
|
4卷引用:宁夏银川市四校2023-2024学年高二上学期联考数学试卷
宁夏银川市四校2023-2024学年高二上学期联考数学试卷江西省大联考2023-2024学年高二上学期11月期中教学质量检测数学试题山西省朔州市怀仁市第一中学校2023-2024学年高二上学期期中考试数学试题(已下线)3.3.2 抛物线的几何性质(5大题型)-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)
名校
解题方法
4 . 已知抛物线
的顶点为坐标原点,准线方程为
.
(1)求
的方程;
(2)若直线
:
与
交于
,
两点,求弦
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-11-09更新
|
497次组卷
|
2卷引用:宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期中数学试题
5 . 设抛物线
,过焦点
的直线与抛物线
交于点
,
.当直线
垂直于
轴时,
.
(1)求抛物线
的标准方程.
(2)已知点
,直线
,
分别与抛物线
交于点
,
.
①求证:直线
过定点;
②求
与
面积之和的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb517ba06f7414573282f2fd9c7c7d2d.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/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/11804ba6-02c8-411e-94fb-ae09a83adffc.png?resizew=145)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
①求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
您最近一年使用:0次
2023-06-22更新
|
4241次组卷
|
10卷引用:宁夏回族自治区银川一中2024届高三第二次模拟考试文科数学试题
宁夏回族自治区银川一中2024届高三第二次模拟考试文科数学试题浙江省杭州市2022-2023学年高二下学期期末数学试题(已下线)第24讲 抛物线的简单几何性质6种常见考法归类(3)(已下线)第06讲 3.3.2抛物线的简单几何性质(2)浙江省诸暨中学暨阳分校2023-2024学年高二上学期期中考试数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19安徽省合肥一六八中学2024届高三“九省联考”考后适应性测试数学试题(一)(已下线)专题07 直线与圆、圆锥曲线(已下线)信息必刷卷02(江苏专用,2024新题型)(已下线)数学(九省新高考新结构卷01)
6 . 已知抛物线C:
(p>0),过C的焦点F的直线
与抛物线交于A、B两点,当
⊥x轴时,|AB|=4.
![](https://img.xkw.com/dksih/QBM/2021/11/2/2842695095574528/2927812091486208/STEM/1f767413c15748769d872c2d4ae759f4.png?resizew=199)
(1)求抛物线C的方程;
(2)如图,过点F的另一条直线
与C交于M、N两点,设
,
的斜率分别为
,
,若
(
),且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://img.xkw.com/dksih/QBM/2021/11/2/2842695095574528/2927812091486208/STEM/1f767413c15748769d872c2d4ae759f4.png?resizew=199)
(1)求抛物线C的方程;
(2)如图,过点F的另一条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/83d200a411fbc2f50ad72f1fd729a7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06744e0406608a46242aa6c2b194870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eec363212db572fbb9046aee21b4f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
您最近一年使用:0次
2022-03-02更新
|
835次组卷
|
7卷引用:宁夏六盘山高级中学2022届高三第二次模拟考试数学(文)试题
名校
7 . 过抛物线
焦点F的直线l与抛物线相交于A,B两点,若以线段
为直径的圆与直线
相切,则直线l的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290a56449ad6dd65aec7525c94273f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bbc1205da581e3afaf6b3286c3c641.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2020-09-20更新
|
1305次组卷
|
7卷引用:宁夏长庆高级中学2021届高三上学期第五次月考数学(理)试题
宁夏长庆高级中学2021届高三上学期第五次月考数学(理)试题安徽省阜阳市太和中学2019-2020学年高二下学期开学考试数学(理)试题江苏省南京市2020-2021学年高二上学期期中模拟数学试题(已下线)练习9+圆与方程-2020-2021学年【补习教材·寒假作业】高一数学(人教A版)(已下线)考点突破12 直线和圆的方程-备战2022年高考数学一轮复习培优提升精炼(新高考地区专用)(已下线)专题09 圆与方程江苏省镇江市扬中市第二高级中学2022-2023学年高二上学期期末模拟数学试题
名校
解题方法
8 . 已知抛物线
,其焦点为
,准线为
,过焦点
的直线交抛物线
于点
、
(其中
在
轴上方),
,
两点在抛物线的准线上的投影分别为
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38544c35c45a692f3f1c8dbcdb9db71e.png)
____________ .
![](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/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.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)
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2020-05-09更新
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1652次组卷
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7卷引用:宁夏银川市永宁县第二中学高级中学2021届高考数字诊断性文科试题
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9 . 点
为抛物线
的焦点,过点
且倾斜角为
的直线与抛物线交
,
两点,则弦长![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
__________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2019-01-23更新
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3卷引用:宁夏育才中学2019-2020学年高二上学期期末考试数学(文)试题
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10 . 过抛物线
的焦点
作斜率为
的直线,与抛物线在第一象限内交于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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A.2 | B.1 | C.![]() | D.4 |
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2019-01-12更新
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12卷引用:宁夏银川唐徕回民中学2019-2020学年高二12月数学(理)试题
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