名校
1 . 设抛物线
(
)的焦点为F,准线为l,过抛物线上一点A作l的垂线,垂足为B,设
,若
与
相交于点E,
,
的面积为
,则抛物线的方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4412ae3430672bfd6772d2c5c7f7a3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51245131c14004c7e54c456817cd8d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
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2 . 设抛物线
的焦点为
,准线为1,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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
_________ ,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/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/6b88c72d0da184244c2e2748af684b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14eec658f69c267a70c1e8f9b744e282.png)
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2020-04-13更新
|
1113次组卷
|
6卷引用:2020届天津市和平区高考二模数学试题
2020届天津市和平区高考二模数学试题山东省日照市五莲县第一中学2019-2020学年高三3月过程检测(实验班)数学试题(已下线)数学-6月大数据精选模拟卷01(海南卷)(满分冲刺篇)(已下线)专题09 椭圆、双曲线与抛物线的几何性质-2020年高考数学(文)母题题源解密(全国Ⅱ专版)(已下线)专题08 椭圆、双曲线与抛物线的几何性质-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)模块检测卷三(A卷 基础过关检查)-2021年高考数学一轮复习单元滚动双测卷(新高考地区专用)
名校
3 . 已知抛物线C:
的焦点为F,准线与x轴的交点为H,点
在C上,且
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d547af4fc21b31eff75d1889149e1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4cb0f59fcc2567cf9b97d9a51b6316.png)
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2020-01-20更新
|
193次组卷
|
2卷引用:天津市和平区2019-2020学年高二上学期期末数学试题
名校
4 . 设抛物线
,点
在抛物线
上,过焦点
且斜率为
的直线与
相交于
两点,且
两点在准线上的投影分别为
两点,则三角形
的面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28241a8faa7a24ceac2f0b135c17f749.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e47ffa407655fc2c99b94e5dd4a379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3888a23a13e40efce63eda7afba6ee2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedaa50ecdc072fae79a33763780f52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea69c0594ad126a6396ae37eade0564f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b41ce757e30bbd3b2b7830e14fd27e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314bd372cdd9e9d5bbe0860cffd198fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314bd372cdd9e9d5bbe0860cffd198fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f10ad149ce28e49f63a62323eba7470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab3aaba18186107c9a622a07d1b4314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28241a8faa7a24ceac2f0b135c17f749.png)
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解题方法
5 . 已知在直角坐标系
中,抛物线
(
为参数)的焦点为
,以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系,直线
的极坐标方程为
,若直线
与曲线
交于
、
两点,与
轴相交于点
,
,
则
与
的面积之比![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad857a11437d25816854dd609c834123.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4d61beecbb6a7193736820ca8dee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ec501696478e97604a578bfdeb1046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d609cb7f8b4d79e8b65c0b8a0672d240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d016b9cfab97e18ea6193ac309f9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00d05c60999eff91345a545fb57e9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f221c6eff7ed25794b7fe387bee22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad857a11437d25816854dd609c834123.png)
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名校
6 . 抛物线
,直线l经过抛物线的焦点F,与抛物线交于A、B两点,若
,则
(O为坐标原点)的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122c82eff82e81b8e99f1c85c8b7e6e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2019-05-17更新
|
2480次组卷
|
8卷引用:天津市第一中学2019届高三下学期第五次月考数学(理)试题
天津市第一中学2019届高三下学期第五次月考数学(理)试题(已下线)专题05 圆锥曲线(选择填空)-2020年高考数学母题题源解密(天津专版)(已下线)专题29 抛物线-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(已下线)专题9.5 抛物线(练)-2021年新高考数学一轮复习讲练测(已下线)2021年新高考北京数学高考真题变式题11-15题(已下线)专题9-1 圆锥小题压轴九类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)(已下线)专题8-3 圆锥曲线小题综合 (讲+练)-1(已下线)第07讲 抛物线及其性质(六大题型)(讲义)