名校
解题方法
1 . 抛物线
的焦点为
,过
的直线交
于
两点,
在
两点处的切线交于点
,则弦
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f5253738504ebbdb51cb6b72caf7fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171e6bcad8bd945b680e048bb1a4376e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-01-01更新
|
568次组卷
|
2卷引用:江苏省南通市如东高级中学2023届高三上学期12月模拟考试数学试题
名校
2 . 过抛物线
的焦点的直线与
交于
两点.设
为线段
的中点,
,点
,若直线
轴,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cb17bef8259bae2763ccba022f906f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4076e06d15e46c702e6348143b6fa1f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c043da5fc1c1432e9224b2e72a37d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2022-12-24更新
|
244次组卷
|
3卷引用:山西省三重教育2023届高三上学期12月联考数学试题
22-23高二上·上海浦东新·阶段练习
名校
解题方法
3 . 在平面直角坐标系
中,设
是抛物线
上过点
的弦,
的外接圆交抛物线于点
(不同于点
、
、
),若直线
平分
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
您最近一年使用:0次
4 . 过点
作抛物线
的两条切线,切点分别为
和
,又直线
经过拋物线
的焦点
,那么
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563dbae11400463a6126489549c460f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fff366172c316a91861139e1079281.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6fd7868cd791cf034f39f46a55828c8.png)
您最近一年使用:0次
2022-10-24更新
|
1252次组卷
|
6卷引用:四川省成都市第七中学2022-2023学年高三上学期第三次质量检测数学理科试题
5 . 已知抛物线
的焦点为F,准线l与x轴交于点H,过焦点F且倾斜角为
的直线交抛物线于A,B两点,分别过点A,B作准线l的垂线,垂足分别为
,
,如图所示,则下列说法中正确的有______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/f6dfdf68-a8cc-4e81-a5dc-46f1c6137caf.png?resizew=157)
①以线段AB为直径的圆与准线l相切;
②
;
③
(其中点O为坐标原点);
④若点
,且
,则直线AB的斜率为
;
⑤若已知点A的横坐标为
,且已知点
,则直线TA与该抛物线相切;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/f6dfdf68-a8cc-4e81-a5dc-46f1c6137caf.png?resizew=157)
①以线段AB为直径的圆与准线l相切;
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f84b3590c174e49945926863c748bd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4899dc0b234a95df45f41074895943.png)
④若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e80f10be85841d14b89a7e07d0fc60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188cb9d382147942736d0c5edd806707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
⑤若已知点A的横坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d26871f1cd33c41a4be7eadbee85687.png)
您最近一年使用:0次
2022-10-13更新
|
720次组卷
|
5卷引用:四川省德阳市第五中学2022-2023学年高二上学期10月月考数学(文)试题
四川省德阳市第五中学2022-2023学年高二上学期10月月考数学(文)试题四川省德阳市第五中学2022-2023学年高二上学期10月月考数学(理)试题河南省驻马店市确山县第一高级中学2022-2023学年高二上学期数学竞赛试题天津市西青区杨柳青第一中学2022-2023学年高二上学期第一次适应性测试数学试题(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)
名校
解题方法
6 . 直线
过抛物线
的焦点
且与抛物线交于
、
两点,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd43dc97858eb6571a9ef054d6feb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.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/7203604385ef3065b52149d740959b27.png)
您最近一年使用:0次
2022-08-12更新
|
677次组卷
|
3卷引用:云南省下关第一中学2023届高三上学期见面考数学试题
7 . 设抛物线
的焦点为
,准线为
,过焦点的直线交抛物线于
,
两点,分别过
,
作
的垂线,垂足为
,
,若
,则三角形
的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](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/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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/2ce50eb3d71e81613c4dac1e8ecae6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14eec658f69c267a70c1e8f9b744e282.png)
您最近一年使用:0次
名校
解题方法
8 . 抛物线
的焦点
到准线的距离为2,过点
的直线与
交于
,
两点,
的准线与
轴的交点为
,若
的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38544c35c45a692f3f1c8dbcdb9db71e.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdea484053ce8c9e8edced935e593912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/c5db41a1f31d6baee7c69990811edb9f.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/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38544c35c45a692f3f1c8dbcdb9db71e.png)
您最近一年使用:0次
2021-11-03更新
|
1575次组卷
|
5卷引用:河南省平顶山市2021-2022学年高三上学期阶段性检测文科数学试题
河南省平顶山市2021-2022学年高三上学期阶段性检测文科数学试题河南省平顶山市2021-2022学年高三上学期阶段性检测数学(理)试题(已下线)专题1.2 模拟卷(2)-2022年高考数学大数据精选模拟卷(新高考地区专用)2022届全国名校高考模拟冲刺卷理科数学试题(一)(已下线)数学(上海B卷)
解题方法
9 . 已知平面非零向量
、
,
、
满足
,
,若
,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a223991a4ec2ca30469960f093ddb1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc72f5677dda2b1de520c4cc3c1ceb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ee2894ba8c5cee6633430cc8b3b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f1a8e551cba7ec9f451749f60e628d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763e3ffc6a1f702f05653daf9cc3f289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410e4c5c3158e2bf2a8ea5ecccf0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412a0bded7fa9a5edfc8b3a7ffd68f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba0759381070f703d65e21e73eb2c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741574f71252839af5c088cf224bf159.png)
您最近一年使用:0次
名校
解题方法
10 . 已知抛物线
(
)的焦点为
,过F作直线l交抛物线于M,N两点,则p=_______ ,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db3b46f0bf8897318fb3d0114e56e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedd00a0f1b1c4fa88c2833ce2a069a7.png)
您最近一年使用:0次
2020-08-05更新
|
2018次组卷
|
10卷引用:山东省泰安市2019-2020学年高三上学期期末数学试题
山东省泰安市2019-2020学年高三上学期期末数学试题江苏省南通市海安高级中学2019-2020学年高二下学期3月线上考试数学试题2020届山东省济宁市嘉祥一中高三下学期第一次质量检测数学试题2020届天津市高三高考全真模拟数学试题(1)(已下线)考点29 抛物线及其性质-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)(已下线)强化卷08(4月)-冲刺2020高考数学之拿高分题目强化卷(山东专版)(已下线)黄金卷05 【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(广东专用)(已下线)考点62 抛物线-备战2022年高考数学一轮复习考点帮(新高考地区专用)【学科网名师堂】(已下线)专题23 圆锥曲线中的最值、范围问题 微点1 圆锥曲线中的最值问题山东省潍坊市昌乐第一中学2024届高三上学期模拟监测数学试题