解题方法
1 . 已知F为抛物线
的焦点,P为该抛物线上的动点,点
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290a56449ad6dd65aec7525c94273f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b680ccf2543da25a5da7109d98dbc47.png)
A.![]() | B.![]() | C.2 | D.![]() |
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2 . 若抛物线
上的点
到其焦点的距离是
到
轴距离的
倍,则抛物线的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5efdd93d958b1b95a97274bfc5843a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知
是抛物线
上一点,
为抛物线的焦点,点
,若
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ac6188f40414f76bc754dee4a75809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ba06f38978d9ca3e50b1d80fd4bd4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc224bee5a205a3a972013244243c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a5c35b41bb1a8fa59998a6dcc791f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-03-06更新
|
433次组卷
|
3卷引用:河北省部分学校2023届高三下学期二月联考数学试题
名校
解题方法
4 . 已知抛物线
的焦点为F,过点F的直线与抛物线交于点A,B,与抛物线的准线交于点M,且点A位于第一象限,F恰好为AM的中点,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6133bf5c35edee1f95475d8a2d55514b.png)
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6133bf5c35edee1f95475d8a2d55514b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd976ba595051d78abe2406a86178d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-02-23更新
|
765次组卷
|
4卷引用:河南省普高联考2022-2023学年高三下学期测评(四)理科数学试题
名校
5 . 抛物线的方程为
,抛物线上一点P的横坐标为
,则点P到抛物线的焦点的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088fcdd595455906a1a7080d630611f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
A.2 | B.3 | C.4 | D.5 |
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2023-02-23更新
|
175次组卷
|
3卷引用:四川省凉山州西昌市2022-2023学年高二上学期期末检测数学(理)试题
解题方法
6 . 已知抛物线
:
的焦点为
,抛物线
上有一动点
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8da2273e0ea414967fc0a51d4c8004b.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36aefff9c01af9d00e6da9255d2ffbce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff21811ea84135ab28112ae687268f3.png)
A.8 | B.16 | C.11 | D.26 |
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2023-02-22更新
|
659次组卷
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4卷引用:云南省楚雄州2022-2023学年高二上学期期末教育学业质量监测数学试题
云南省楚雄州2022-2023学年高二上学期期末教育学业质量监测数学试题陕西省部分名校2022-2023学年高二上学期期末文科数学试题(已下线)第05讲 3.3.1抛物线及其标准方程(8类热点题型讲练)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)(已下线)专题13 抛物线的标准方程5种常见考法归类-【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
名校
7 . 已知抛物线
经过第二象限,且其焦点到准线的距离大于4,请写出一个满足条件的
的标准方程__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
8 . 点P是抛物线
上一动点,若点
,记点P到直线
的距离为d,则
的值可以取( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9278ebd294ff78bb178c0052ea92b159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433e4967048f190923d98187028b1a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce90ae71d7eb099cf70cfcb62284e79e.png)
A.7 | B.![]() | C.5 | D.![]() |
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2023-02-19更新
|
419次组卷
|
2卷引用:广西北海市2022-2023学年高二上学期期末教学质量检测数学试题
解题方法
9 . 设抛物线
,点
为
上一点,过点
作
轴于点
,若点
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2784a52c4da98dc9df661fc152fc29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56339a78e814bc0cb8f45cb2e23515bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12635a3c849c671377a027af299d8c18.png)
A.![]() | B.![]() | C.4 | D.5 |
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解题方法
10 . 已知
为抛物线
上一点,点
到
的焦点的距离为6,到
轴的距离为3,O为坐标原点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa3ba0c87ce97239cb65f863fa9340f.png)
A.![]() | B.6 | C.![]() | D.9 |
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2023-02-17更新
|
566次组卷
|
4卷引用:陕西省安康市2022-2023学年高二下学期开学摸底考试文科数学试题