解题方法
1 . 抛物线
与椭圆
有公共的焦点
,它们的一个交点为
,且
轴,则椭圆的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/8f7e98fa4da2def9eebd11a349b83e87.png)
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2018-03-06更新
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521次组卷
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2卷引用:安徽省池州市2018届高三上学期期末考试数学(文)试题
13-14高二上·山西太原·阶段练习
名校
2 . 已知抛物线
的准线与圆
相切,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a98a14a829938418bfff7745b9f13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2018-03-02更新
|
1576次组卷
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15卷引用:2015届广东省潮州市高三上学期期末教学质量检测理科数学试卷
2015届广东省潮州市高三上学期期末教学质量检测理科数学试卷河北省武邑中学2018届高三上学期期末考试数学(理)试题上海市上海外国语大学附属中学2018-2019学年高二下学期期末数学试题上海市松江二中2019-2020学年高二上学期期末数学试题河北省涞水波峰中学2020-2021学年高二上学期期末数学试题(已下线)2013-2014学年山西太原第五中学高二12月月考理科数学试卷(已下线)2014年湘教版选修1-1 2.3 抛物线练习卷北京市海淀区第20中学2017届高三上12月月考数学试题四川省遂宁市射洪县射洪中学等2019-2020学年高三上学期第四次大联考数学(文)试题四川省遂宁市射洪县射洪中学等2019-2020学年高三上学期第四次大联考数学(理)试题2020届黑龙江省哈尔滨市第三中学高三下学期第一次调研考试数学(文)试题沪教版(上海) 高二第二学期 新高考辅导与训练 第12章 圆锥曲线 12.7 抛物线的标准方程北京师范大学珠海分校附属外国语学校2020-2021学年高二上学期期中考试数学试题(已下线)专题5.5 期末考前必做30题(填空题提升版)-2020-2021学年高二数学下学期期末专项复习(沪教版)2.3.1抛物线及其标准方程 同步练习-2022-2023学年高二上学期北师大版(2019)选择性必修第一册
3 . 已知抛物线
的焦点为F,经过F的直线与抛物线在第一象限的交点为A,与准线l交于点B、A在B的上方,且AK⊥l于K,若△KFB是等腰三角形,腰长为2,则p=__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
您最近一年使用:0次
2018-03-02更新
|
207次组卷
|
2卷引用:安徽省池州市2017-2018学年高二上学期期末考试数学(理)试题
解题方法
4 . 设抛物线
的焦点为
,准线为
,
为抛物线上一点,
,
为垂足.如果直线
的斜率为
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12dc1bdded62dae38ef3bd02e886757a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.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/fb50782b4a4f59f8798a90086b0d5c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12dc1bdded62dae38ef3bd02e886757a.png)
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5 . 已知
是抛物线
上一点,
是抛物线
的焦点,若
是抛物线
的准线与
轴的交点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342aabbf838dfb0cd85cddd7ce6b8774.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/66779485a1ccbe79cce1636549d3051c.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/342aabbf838dfb0cd85cddd7ce6b8774.png)
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6 . 设抛物线
上一点
到其焦点
的距离为3,则点
的纵坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
7 . 已知抛物线
:
(
)的焦点为
,准线
:
,点
在抛物线
上,点
在准线
上,若
,直线
的倾斜角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd1f7bf8f93c219c8716df185b66e1c.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30408e7bd05879c5f80de0991368f31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7a0b55fa88dabda8d0898bc4c5a434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd1f7bf8f93c219c8716df185b66e1c.png)
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2018-02-14更新
|
1610次组卷
|
5卷引用:安徽省滁州市2018届高三上学期期末考试数学(理)试题
8 . 过抛物线
的焦点
的直线交抛物线于
两点,若
(
为坐标原点),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234fdaf43deb222c265cdf40f5d8ca4a.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/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8115446a8cb1b1d28c49b7d2606974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234fdaf43deb222c265cdf40f5d8ca4a.png)
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9 . 若抛物线
上的点
到焦点的距离为10,则
到
轴的距离是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2018-02-07更新
|
343次组卷
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3卷引用:山东省泰安市2017-2018学年高三上学期期末考试数学理试题
10 . 已知抛物线
的焦点为
,准线为直线
,过抛物线上一点,
作
于
,若直线
的倾斜角为
,则
__________ .
![](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/720a9d0830aaa9d7ebb8af173e9da83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8f3a8b0608ec011ad95c522fd2ea4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
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2018-01-27更新
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968次组卷
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2卷引用:天津市和平区2017-2018学年高二上学期期末考试数学(文)试题