名校
解题方法
1 . 抛物线
的焦点到准线的距离为2,过焦点的直线与抛物线交于A、B两点,且
,则弦AB的中点到y轴的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ed9d97b8745ed1c15349ea3fffc299.png)
您最近一年使用:0次
2023-11-16更新
|
1142次组卷
|
2卷引用:天津市武清区杨村一中2024届高三上学期第三次质量检测数学试题
2 . 已知抛物线
的焦点为
,抛物线上的点
到
的距离为6,双曲线
的左焦点
在抛物线的准线上,过点
向双曲线的渐近线作垂线,垂足为
,则
与双曲线两个焦点构成的三角形面积的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c16d7af5da5979ab880c417f0390f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578832b5e2b61bf599918028e68da17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
A.2 | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
3 . 设抛物线
的焦点为
,点
在
上,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b32391255d01e4b6b4e361df5b2b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d6cf79887440611083ba67a51806d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53e53760f14c161a13e1017558dfb28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c84a09595eabd6ae21a2e8faa7465c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-13更新
|
526次组卷
|
2卷引用:天津市红桥区2022-2023学年高二上学期期末数学试题
11-12高三下·山东烟台·阶段练习
名校
解题方法
4 . 已知抛物线
上一点
到其焦点的距离为5,双曲线的
左顶点为A,若双曲线的一条渐近线与直线AM平行,则实数n的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67727541c4eeeca08988abc79791f9c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbad79e327f83fac8071d28709a5c6c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-16更新
|
844次组卷
|
13卷引用:【区级联考】天津市河西区2019届高三一模数学(文)试题
【区级联考】天津市河西区2019届高三一模数学(文)试题【区级联考】天津市河西区2019届高三一模数学(理)试题2019届天津市河西区下学期高三年级总复习质量调查(一) 数学(理)试卷天津市红桥区2021届高三下学期一模数学试题天津市南开中学2021届高三下学期三模数学试题天津市红桥区2021届高三一模数学试题天津市五校2021-2022学年高二上学期期末联考数学试题天津市滨海新区塘沽第十三中学2022-2023学年高二上学期第一次月考数学试题天津市百华实验中学2023-2024学年高二上学期12月月考数学试题(已下线)2012届山东省烟台市高三下学期3月诊断性测试文科数学广西平果市第二中学2020-2021学年高二下学期期中考试数学(理)试题河北省衡水中学2022届高三上学期高考模拟卷(一)数学试题宁夏石嘴山三中2016届高三(上)期末数学试卷(理科)(解析版)
名校
5 . 抛物线
的焦点为
,点
在抛物线上,且
的延长线交
轴于
.若
为线段
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737fd22222a95476d663fc27c00a1e48.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460aa3d83df61f6c411b34412135451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
您最近一年使用:0次
名校
解题方法
6 . 已知抛物线
上的点
到该抛物线焦点
的距离为
,则
等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ed3ca238b23b20c7c3db2b0e4bfeee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fab6b1b5fead2fa592e93e455d659a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebe74c278122d1bcde32f534bed13ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-04-18更新
|
415次组卷
|
2卷引用:天津市第二南开学校2023-2024学年高三上学期12月阶段评估数学试题
解题方法
7 . 过抛物线
的焦点作直线
交抛物线于
两点,若线段
中点的横坐标为1,则
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
名校
8 . 已知抛物线
(
)上一点
到其焦点的距离为
.抛物线C的方程为____________ ;准线方程为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97afdeaa1d4433cffe5005446fcbbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb6820eb17c9bdf9f2936ca7e453d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
您最近一年使用:0次
9 . 抛物线
的焦点到准线的距离是___________ ;若点
在抛物线
上且与焦点的距离为6,则点
的坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.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/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
10 . 已知抛物线
的焦点为
,准线为
,抛物线上一点
,
与准线
垂直且交于点
,以
为直径的圆被
截得的弦长为
,则
的长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
您最近一年使用:0次
2021-05-28更新
|
845次组卷
|
3卷引用:天津市河东区2021届高三下学期一模数学试题
天津市河东区2021届高三下学期一模数学试题天津市宝坻区第一中学2020-2021学年高三上学期第四次月考数学试题(已下线)3.3.1 抛物线及其标准方程-2021-2022学年高二数学同步速效提升练(人教A版2019选择性必修第一册)【学科网名师堂】