名校
解题方法
1 . 已知
,若点P是抛物线
上任意一点,点Q是圆
上任意一点,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d4c3745fb3051f143c97db72a5a8fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294b85c50741fbeeeb3f52f012434afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abdfd79598faaa393fd1eeb61f3293f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9187955452ebfb975379e7ced06bc2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.3 | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
2019-03-20更新
|
1504次组卷
|
8卷引用:安徽省淮北市第一中学2022-2023学年高二上学期期末数学试题
2014高三·全国·专题练习
名校
2 . 已知抛物线
,圆
,过点
作直线
,自上而下顺次与上述两曲线交于点
(如图所示),则
的值正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f43c1781-f142-40df-abd2-4efd7ca053e3.png?resizew=117)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b2ffdcc66148aedaa575dde03d144e.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/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe5351a50aac766f146acd1a9a6e79e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f43c1781-f142-40df-abd2-4efd7ca053e3.png?resizew=117)
A.等于![]() | B.最小值是![]() | C.等于![]() | D.最大值是![]() |
您最近一年使用:0次
2019-01-25更新
|
587次组卷
|
6卷引用:安徽省定远县育才学校2017-2018学年高二下学期开学调研考试数学(理)试题
安徽省定远县育才学校2017-2018学年高二下学期开学调研考试数学(理)试题(已下线)2014年高考数学(理)二轮复习专题提升训练训练16练习卷【全国百强校】内蒙古集宁一中2018-2019学年高二上学期期末考试数学(文)试题【全国百强校】内蒙古集宁一中2018-2019学年高二上学期期末考试数学(理)试题福建省莆田第一中学2019-2020学年高二上学期期中考试数学试题(已下线)专题04 《圆锥曲线与方程》中的易错题(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)
名校
3 . 已知抛物线
:
上一点
,直线
:
,
:
,则
到这两条直线的距离之和的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c202676296bfcb2132daf7cd980b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-03-08更新
|
1082次组卷
|
6卷引用:安徽省蚌埠第三中学2020-2021学年高二上学期1月教学质量检测数学(文)试题
名校
4 . 已知抛物线
的焦点为
,准线
,点
在抛物线
上,点
在准线
上,若
,且直线
的斜率
,则
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40576c66720163494c3d71906a206a2c.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/55e1712703e2832bebae13b1b7fc82ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faf3bebb0ba48c18fed0cab7f045a78.png)
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2018-02-10更新
|
727次组卷
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6卷引用:安徽省宣城市2018届高三第二次调研测试数学理试题
5 . 已知点
在抛物线
上运动,
为抛物线的焦点,点
的坐标为
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bddec2bd3b91ffb4edb0b4600644224d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a568b8d07836e773a32dafe77c43c6f0.png)
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2017-12-31更新
|
1228次组卷
|
5卷引用:安徽省芜湖市普通高中2018-2019学年高二下学期期中联考数学(理)试题
6 . 已知
为抛物线
上一个动点,定点
,那么点
到点
的距离与点
到抛物线的准线的距离之和的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c2f1350f314be847bfd1e55c5293ce.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/dad2a36927223bd70f426ba06aea4b45.png)
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2017-12-18更新
|
576次组卷
|
2卷引用:安徽省滁州市定远县民族中学2017-2018学年高二下学期期末考试数学(理)试题
名校
解题方法
7 . 已知点
是抛物线
上的一点,设点
到此抛物线准线的距离为
,到直线
的距离为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/e228fb4ccdf2209a583f6e2ce66b06ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
A.4 | B.![]() | C.5 | D.![]() |
您最近一年使用:0次
2017-12-10更新
|
1028次组卷
|
2卷引用:安徽省定远重点中学2018-2019学年高二上学期期中考试数学(理)试题
8 . 已知抛物线
的焦点为
,准线与
轴的交点为
,
为抛物线上的一点,且满足
,则点
到
的距离为( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06117c33dbfbc009d6a2509659315f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
2017-12-05更新
|
780次组卷
|
7卷引用:安徽省滁州市定远县民族中学2019-2020学年高二下学期6月月考数学(理)试题
安徽省滁州市定远县民族中学2019-2020学年高二下学期6月月考数学(理)试题河南省中原名校(豫南九校)2018届高三上学期第四次质量考评(期中)数学(理)试题1河南省中原名校(豫南九校)2018届高三上学期第四次质量考评(期中)数学(文)试题(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高三年级(文)人教版数学试题(B卷)(已下线)黄金30题系列 高三年级数学(文) 小题好拿分【提升版】河南省中原名校(豫南九校)2018届高三上学期第四次质量考评(期中)数学(理)试题2河南省中原名校(豫南九校)2018届高三上学期第四次质量考评(期中)文数试题
名校
9 . 已知抛物线
的焦点为
,准线为
,点
,线段
交抛物线
于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cd5764cfac200ebfee56b6fc8df71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/a30262f17d1e521b48d773da22ebf452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc72c1c27a947fed0e44f8ff845c0979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cd5764cfac200ebfee56b6fc8df71.png)
A.3 | B.4 | C.6 | D.7 |
您最近一年使用:0次
2017-10-26更新
|
1771次组卷
|
5卷引用:安徽省淮北市第一中学2017-2018学年高二上学期期中考试数学(理)试题
解题方法
10 . 抛物线
的焦点为
,过
作斜率为
的直线
与抛物线在
轴右侧的部分相交于点
,过
作抛物线准线的垂线,垂足为
,则
的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.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/827ccf0c04aa941ba20d5f4c6068b46b.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a706b08c69fe2daf2e7cc8652d4902.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-05-09更新
|
1048次组卷
|
3卷引用:安徽省芜湖市2017届高三5月教学质量检测(高考模拟)数学(文)试题