解题方法
1 . 已知抛物线
的焦点为F,直线
与
轴的交点为A,与C的交点为P,且
.
(1)求C的方程;
(2)延长
交抛物线于Q,O为坐标原点,求
的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a5190834f5dbe895596656c038b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cea508964582d1eeba2169678cb0f77.png)
(1)求C的方程;
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30654ba32a8ac50a05dc7e34bba72dcc.png)
您最近一年使用:0次
2 . 已知抛物线
为抛物线的焦点,经过
的直线与抛物线交于
两点,过A作抛物线准线的垂线,垂足为
,等边
的面积为
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df8cc23066de3b8eace5e881a4e989e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cace703a1f7e7655248de97ea51fde46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次
名校
解题方法
3 . 斜率为
的直线
过抛物线
的焦点,若被拋物线截得弦长为8,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
2024-01-14更新
|
851次组卷
|
3卷引用:内蒙古通辽市科左中旗民族职专·实验高中2023-2024学年高二上学期期末数学试题
内蒙古通辽市科左中旗民族职专·实验高中2023-2024学年高二上学期期末数学试题天津市新华中学2023-2024学年高二上学期第二次月考数学试卷(已下线)专题13抛物线(2个知识点2个拓展2个突破7种题型4个易错点)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)
解题方法
4 . 已知抛物线
的焦点为
.
(1)求
;
(2)斜率为1的直线过点F,且与抛物线交于A,B两点,求线段AB的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)斜率为1的直线过点F,且与抛物线交于A,B两点,求线段AB的长.
您最近一年使用:0次
5 . 过抛物线
的焦点作直线l,l交C于M,N两点,若线段
中点的纵坐标为2,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098658ddd8826dc6637297e1e6c7acdc.png)
A.10 | B.9 | C.8 | D.7 |
您最近一年使用:0次
2023-02-01更新
|
1312次组卷
|
3卷引用:内蒙古赤峰二中2022-2023学年高二上学期期末考试数学(文)试题
2022高二·江苏·专题练习
名校
解题方法
6 . 已知
为坐标原点,
为抛物线
的焦点,
为
上一点,若
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05335b4876c7a2e53172fe811c51579.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/527ac6e1d3ee58fe2e06cad33731cd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c71c49dc9a9de1a0221769e4eb8616.png)
A.2 | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
2023-03-01更新
|
318次组卷
|
5卷引用:内蒙古自治区赤峰市松山区2023-2024学年高二上学期期末学业水平检测数学试题
内蒙古自治区赤峰市松山区2023-2024学年高二上学期期末学业水平检测数学试题(已下线)3.3.2 抛物线的几何性质(重点)-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)黑龙江省哈尔滨市第七十三中学校2022-2023学年高二上学期期中数学试题广东省东莞实验中学2022-2023学年高二下学期月考一数学试题北师大版(2019) 选修第一册 数学奇书 学业评价(十八) 抛物线及其标准方程
名校
解题方法
7 . 已知斜率为
的直线
过抛物线
的焦点
,且被抛物线
所截得的弦
的长为
.
(1)求抛物线
的方程;
(2)求以抛物线
的准线与
轴的交点
为圆心,且与直线
相切的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求以抛物线
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-02-24更新
|
276次组卷
|
5卷引用:内蒙古呼伦贝尔市满洲里远方中学2022-2023学年高二下学期摸底理科数学试题
名校
解题方法
8 . 已知抛物线
:
(
)的焦点
到准线的距离为4,过点
的直线
与抛物线
交于
,
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac101061acbda16ef4ada07468b1e26.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/a0ed1ec316bc54c37c4286c208f55667.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3d6142833ab677c109f314e5a19680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac101061acbda16ef4ada07468b1e26.png)
您最近一年使用:0次
2022-05-02更新
|
499次组卷
|
6卷引用:内蒙古自治区赤峰市赤峰二中2021-2022学年高二上学期期末数学(文)试题
内蒙古自治区赤峰市赤峰二中2021-2022学年高二上学期期末数学(文)试题云南省昆明市嵩明县2021-2022学年高二下学期期中考试数学试题安徽省芜湖市南陵中学2021-2022学年高二下学期3月第一次学情调查数学试题(已下线)第14讲 抛物线-【暑假自学课】2022年新高二数学暑假精品课(苏教版2019选择性必修第一册)(已下线)第15讲 抛物线(2)(已下线)第16讲 直线和圆锥曲线的位置关系(2)
名校
9 . 已知直线
过抛物线C的焦点,且与C的对称轴垂直,
与C交于A,B两点,P为C的准线上一点,若
的面积为36,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.36 | B.24 | C.12 | D.6 |
您最近一年使用:0次
解题方法
10 . 已知抛物线
的焦点为F,P为抛物线上一点,过点P向抛物线的准线作垂线,垂足为N.若
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bfb5b993ccd7f1dd2d663d3d1e7cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a490212755b764acf3864eb09149e94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-01-18更新
|
381次组卷
|
3卷引用:内蒙古包头市2021-2022学年高二上学期期末考试数学(理)试题