1 . 已知抛物线
,过点
的直线与抛物线交于
,且
的长为10,设
的中点为
,则
到
轴的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2019-10-12更新
|
1182次组卷
|
10卷引用:安徽省池州市2018-2019学年高二下学期期末数学(文)试题
安徽省池州市2018-2019学年高二下学期期末数学(文)试题(已下线)2019年12月5日《每日一题》选修1-1文数-抛物线的焦点弦问题(已下线)2019年12月5日《每日一题》选修2-1理数-抛物线的焦点弦问题江苏省连云港市赣榆区智贤中学2019-2020学年高二上学期10月月考数学试题(已下线)2.3.1+抛物线及其标准方程(重点练)-2020-2021学年高二数学(文)十分钟同步课堂专练(人教A版选修1-1)(已下线)2.4.1+抛物线及其标准方程(重点练)-2020-2021学年高二数学(理)十分钟同步课堂专练(人教A版选修2-1)(已下线)3.3.1 抛物线及其标准方程(重点练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版选择性必修第一册)(已下线)考点37 抛物线的标准方程及几何性质-备战2021年新高考数学一轮复习考点一遍过(已下线)专题20 抛物线的简单几何性质(核心素养练习)-【新教材精创】2020-2021学年高二数学新教材知识讲学(人教A版选择性必修第一册)(已下线)第三章 圆锥曲线的方程 单元检测(B卷)- 2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)
名校
2 . 已知抛物线
上一点
到准线的距离为
,到直线
:
的距离为
,则
的最小值为__________ .
![](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/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b0afda7ceda41a32094cee93694cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
您最近一年使用:0次
2019-04-08更新
|
401次组卷
|
4卷引用:安徽省六安市舒城中学2019-2020学年高二上学期期末数学(文)试题
安徽省六安市舒城中学2019-2020学年高二上学期期末数学(文)试题(已下线)第三章 圆锥曲线与方程B卷(综合培优)-【双基双测】2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)湖南省郴州市2021-2022学年高二上学期期末教学质量监测数学试题【市级联考】云南省昆明市2019届高三复习教学质量检测文科数学试题
名校
3 . 已知抛物线
的焦点
,准线为
,点
在抛物线上,
为
与
轴的交点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.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/b218bde519e649de7e9948fb6f5339a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5d93598f4427c77af5fe7de0d95679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
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2019-06-11更新
|
639次组卷
|
2卷引用:2019届安徽省合肥市第九中学高三下学期最后一次模拟数学(理)试题
名校
4 . 顶点在坐标原点,焦点为
的抛物线上有一动点
,圆
上有一动点
,则
的最小值为__
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421a28dc3675ae20190d6090793246e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbcb778aff47afeeb1905a9c19f588a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eead577aecbf58f75438b08d14dcd5b4.png)
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2019-05-31更新
|
557次组卷
|
3卷引用:安徽省滁州市明光中学2019-2020学年高二下学期开学考试数学(理)试题
安徽省滁州市明光中学2019-2020学年高二下学期开学考试数学(理)试题湖北省安陆一中2019年5月高二摸底调考数学(文科)试题(已下线)专题18 《圆锥曲线与方程》中的动点动直线问题(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
5 . 已知
为抛物线
的焦点,点
在抛物线上,若点
是抛物线准线上的动点,
为坐标原点,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70bbdee7ad46c68e67b5802c994897c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b797b25fdc1a419b410cb537cb8d72.png)
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2019-05-22更新
|
846次组卷
|
2卷引用:【校级联考】安徽省1号卷·A10联盟2019年高考最后一卷数学文科试题
6 . 过抛物线
的焦点
的直线
与抛物线分别交于第一、四象限内的
、
两点,分别以线段
、
的中点为圆心,且均与
轴相切的两圆的半径为
、
.若
,则直线
的倾斜角为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2858005b9ae89ae080d83dcc13cf8e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3e95410f3b4fcb0cba425b521d1f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcccefb64de9d739bb52695c8cf38fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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7 . 已知抛物线
的焦点为
,准线为
,过
作斜率大于0的直线与抛物线
交于
两点(
在
轴上方),且与直线
交于点
.若
,
,则
的值为__________ .
![](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/0f85fca60a11e1af2bf50138d0e3fe62.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2474de80c53349db80a2ac125684f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580ee3f86e9061d7286fe7b5c156194c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
8 . 点
在抛物线
:
上,
为
的焦点,以
为直径的圆与
轴只有一个公共点
,且点
的坐标为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24d4627c643c5aeee873c6e1e626aa.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/745de5ef1fd897d16e37464172d5e8c9.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/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24d4627c643c5aeee873c6e1e626aa.png)
您最近一年使用:0次
2019-04-24更新
|
333次组卷
|
3卷引用:安徽省滁州市定远县重点中学2020-2021学年高二上学期期末数学(文)试题
安徽省滁州市定远县重点中学2020-2021学年高二上学期期末数学(文)试题【市级联考】黑龙江省大庆市2019届高三第三次教学质量检测数学(文)试题(已下线)狂刷45 抛物线-学易试题君之小题狂刷2020年高考数学(理)
名校
9 . 已知抛物线
:
,过焦点
作倾斜角为
的直线交抛物线
于
,
两点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bb0f4140073a47e45c5093be46f1a9.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/be6a6301878fed2a01413020b27310a5.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed50b587442312d10eaad5b163ad27ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bb0f4140073a47e45c5093be46f1a9.png)
您最近一年使用:0次
2019-04-19更新
|
944次组卷
|
3卷引用:【市级联考】安徽省宣城市2019届高三第二次调研测试文科数学试题
名校
10 . 已知一条抛物线恰好经过等腰梯形
的四个顶点,其中
,
,则该抛物线的焦点到其准线的距离是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18f913123194ef71d9d9e8173393a10.png)
您最近一年使用:0次