名校
1 . 若直线
经过抛物线
的焦点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84311f51afa271415276bca3c5d26c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2020-05-03更新
|
593次组卷
|
4卷引用:2020届湖南省湘潭市高三下学期第三次模拟考试文科数学试题
2 . 已知函数
在区间
上的最大值为
,则抛物线
的准线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4faed370c702ab378e577ff44be176c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知平面上两定点M(0,﹣2)、N(0,2),P为一动点,满足
•
|
|•|
|
(I)求动点P的轨迹C的方程;
(II)若A、B是轨迹C上的两不同动点,且
λ
.分别以A、B为切点作轨迹C的切线,设其交点Q,证明
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a47b18de7d0a78f56af15487a9a232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30aa73ca876ed5fa58d3a5db74619db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc37a21e51692ea9acb99ff0a25ae280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7c19ffd67b5edd77b02d893f3c4156.png)
(I)求动点P的轨迹C的方程;
(II)若A、B是轨迹C上的两不同动点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cc5643650e375f940149e658c8c2a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b9c7c7e68432819349350b844c010a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14a615d8e9a7d3dfcda393499823210.png)
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名校
4 . 在直角坐标系
中,点
,
是曲线
上的任意一点,动点
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7e149c0f4bd3db1c5342a0b3295c94.png)
(1)求点
的轨迹方程;
(2)经过点
的动直线
与点
的轨迹方程交于
两点,在
轴上是否存在定点
(异于点
),使得
?若存在,求出
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/accf35598ee054f1bf8b6584641d6d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2d7e76dcfce26cf09b5eb0589cda2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7e149c0f4bd3db1c5342a0b3295c94.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f449cadb49859b80c31ef1f68bfe81b.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144ca2bb32bd1c64fbe7d8b869380709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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2019-12-12更新
|
1120次组卷
|
9卷引用:2020届湖南省湘潭市高三模拟考试数学理科试题
2020届湖南省湘潭市高三模拟考试数学理科试题河南省新乡市2019-2020学年高三上学期第一次模拟数学(理)试题(已下线)2020届高三12月第01期(考点08)(理科)-《新题速递·数学》河北省邢台市2020届高三上学期期末数学(理)试题(已下线)必刷卷09-2020年高考数学必刷试卷(新高考)【学科网名师堂】-《2020年新高考政策解读与配套资源》(已下线)卷09-2020年高考数学冲刺逆袭必备卷(山东、海南专用)【学科网名师堂】江西省南昌市四校联盟2019-2020学年高三第二次联考数学(理)试题(已下线)专题01 解析几何(第三篇)-备战2020高考数学黄金30题系列之压轴题(新课标版)山西省忻州市第一中学2019-2020学年高二下学期期中数学(理)试题
名校
解题方法
5 . 已知点
,点A是直线
上的动点,过
作直线
,
,线段
的垂直平分线与
交于点
.
(1)求点
的轨迹
的方程;
(2)若点
,
是直线
上两个不同的点,且
的内切圆方程为
,直线
的斜率为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96589c003433f323d5dc448b6133ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cb83f0c360f23d5b7960a97e65f717.png)
您最近一年使用:0次
2020-03-24更新
|
563次组卷
|
5卷引用:2017届湖南省湘潭市高三第三次高考模拟数学(理)试卷
2017届湖南省湘潭市高三第三次高考模拟数学(理)试卷湖北武汉市蔡甸区汉阳一中2017届高三第三次模拟考试数学(理)试题北京一零一中学2019-2020学年度第二学期高三数学统练(二)重庆市育才中学2020届高三下学期入学考试数学(理)试题(已下线)专题08 拿高分题目强化卷(第三篇)-备战2021年新高考数学分层强化训练(北京专版)
名校
6 . 已知点
为抛物线
上的动点,点
在
轴上的射影是
,
点坐标为
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b894967b390cf5c38bb4c9835387f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69c5214d6569747e6124b288fc86b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
A.![]() | B.4 | C.![]() | D.5 |
您最近一年使用:0次
2019-03-16更新
|
477次组卷
|
2卷引用:【校级联考】湖南省湘潭县一中、双峰一中、邵东一中、永州四中2018-2019学年高二下学期优生联考数学(理科)试题
7 . 若抛物线
的焦点恰好是双曲线
的右焦点,则实数p的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3932717847eb0859019f07a7445ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2091dabdd782dcbebd41a3db13aeea.png)
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8 . 已知抛物线
上的点
到其焦点
的距离比点
到
轴的距离大
,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/ac047e91852b91af639feec23a9598b2.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-03-09更新
|
1116次组卷
|
9卷引用:【市级联考】湖南省湘潭市2019届高三下学期第二次模拟考试数学(文)试题
【市级联考】湖南省湘潭市2019届高三下学期第二次模拟考试数学(文)试题【市级联考】陕西省榆林市2019届高三第二次模拟数学(理科)试题【市级联考】陕西省榆林市2019届高三第二次模拟试题数学(文科)试题【市级联考】湖南省长沙市2019届高三下学期第二次模拟考试数学(文)试题2019届广西来宾市高三3月模拟考试数学(理科)试题广西来宾市2018-2019学年高三3月模拟考试数学文科试题【市级联考】福建省漳州市2019届高三下学期第二次教学质量监测数学(文)试题沪教版(2020) 选修第一册 领航者 第2章 2.4抛物线 第1课时 抛物线的标准方程青海省西宁市大通回族土族自治县2021-2022届高三数学(文)开学摸底考试试题
解题方法
9 . 已知双曲线
=1(a>0,b>0)的两条渐近线与抛物线y2=8x的准线分别交于M,N两点,A为双曲线的右顶点,若双曲线的离心率为2,且△AMN为正三角形,则双曲线的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e184976351d8c57c50cafadcc2bff20.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-01-26更新
|
1058次组卷
|
7卷引用:湖南省湘潭市两校2022-2023学年高二上学期期末线上联考数学试题
湖南省湘潭市两校2022-2023学年高二上学期期末线上联考数学试题【区级联考】天津市部分区2018-2019学年高二上学期期末考试数学试题考点16 圆锥曲线的综合应用-2020年【衔接教材·暑假作业】新高三一轮复习数学(文)(人教版)考点15 圆锥曲线的综合应用-2020年【衔接教材·暑假作业】新高三一轮复习数学(理)(人教版)(已下线)第44讲 圆锥曲线的综合应用-2021年新高考数学一轮专题复习(新高考专版)天津市静海区第六中学2021-2022学年高三上学期开学摸底考试数学试题(已下线)狂刷48 解析几何的综合问题-学易试题君之小题狂刷2020年高考数学(理)
10 . 如图,已知直线与抛物线
交于
两点,点
的坐标为
,
交
于点
,
抛物线的焦点为
.
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/c4f67beda87d4891b99b3a9b5d02ebab.png)
(1)求
的值;
(2)记条件(1)所求抛物线为曲线
,过点
作两条斜率存在且互相垂直的直线
,设
与曲线
相交于点
,
与曲线
相交于点
,求·的最小值.
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/c37961c6e7ab4a2493a5580ed26e8603.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/fd00aa3f3f9f45fb99d1aaf42f029a36.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/1d44cc74fbe24a8780acd41de2c3ebc6.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/3b525cee4c2c40869e6bf811ad828076.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/2d01f84217924f2db7e7527b8dd73563.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/9d5c8563827e413fafaf9d9fd4c06883.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/1d44cc74fbe24a8780acd41de2c3ebc6.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/4a1dfab217c548a18b58b41a25a242d6.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/a7f323ad54894c76823fc387bd149631.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/c4f67beda87d4891b99b3a9b5d02ebab.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/7142c5db44184612a8b5e6c0bb0cee93.png)
(2)记条件(1)所求抛物线为曲线
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/4275dc9aa1a64ba3975f78977e6aa212.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/a7f323ad54894c76823fc387bd149631.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/20722e05aed749ccbb093db4b5939f4b.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/edf5f1e72a0c450ca4232ca5404fa671.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/4275dc9aa1a64ba3975f78977e6aa212.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/20f67d4ba4ec4bda8fb0a1e42bab9c23.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/8e7c77dec5e843dfb4b9d8076ccb2c7f.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/4275dc9aa1a64ba3975f78977e6aa212.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470328180736/1572470333546496/STEM/0d9421e52df246609ace5430560e76e7.png)
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