名校
解题方法
1 . 如图,在平面直角坐标系
中,已知抛物线
的焦点为F,准线为l,过点F且斜率大于0的直线交抛物线C于A,B两点,过线段
的中点M且与x轴平行的直线依次交直线
,
,l于点P,Q,N.
;
(2)若线段
上的任意一点均在以点Q为圆心、线段
长为半径的圆内或圆上,若
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0a4ae6ec6ed06c7c3df21e0ac61ef.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/815d1ce1ba84bac399c8b20e074cf045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446f63c28adbeda374146faba490dad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
解题方法
2 . 如图所示,曲线
,曲线
,过点
作直线交曲线
于点A,交曲线
于点B,若点C在曲线
的准线上.
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986381346414592/2986469922283520/STEM/7e59e280-f6d2-49cf-99bc-b1ffcb9aa9e9.png?resizew=138)
(1)求
;
(2)若存在直线使点B为
中点,求A点横坐标(用p表示)及
斜率的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617ffe04ebe8be6e6a60b0284efbe91d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa064dbdaf8490286f9efc0eaca84ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b532b51e584020507d40c057c0527023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2022/5/24/2986381346414592/2986469922283520/STEM/7e59e280-f6d2-49cf-99bc-b1ffcb9aa9e9.png?resizew=138)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
(2)若存在直线使点B为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2022-05-24更新
|
1864次组卷
|
6卷引用:浙江省新高考名校交流2022届高三下学期5月模拟卷(二)数学试题
浙江省新高考名校交流2022届高三下学期5月模拟卷(二)数学试题圆锥曲线之间的综合问题(已下线)专题23 圆锥曲线中的最值、范围问题 微点2 圆锥曲线中的范围问题(已下线)第13讲 抛物线(9大考点)(2)(已下线)考点18 解析几何中的范围、最值问题 2024届高考数学考点总动员(已下线)专题3-6 抛物线综合大题归类(讲+练)-【巅峰课堂】2023-2024学年高二数学热点题型归纳与培优练(人教A版2019选择性必修第一册)
名校
解题方法
3 . 已知抛物线
的焦点为F,点M是抛物线的准线
上的动点.
![](https://img.xkw.com/dksih/QBM/2022/5/22/2984742987235328/2984796228083712/STEM/a08233a9-3e57-413c-9d81-f0baa02c2a4a.png?resizew=139)
(1)求p的值和抛物线的焦点坐标;
(2)设直线l与抛物线相交于A、B两点,且
,求直线l在x轴上截距b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://img.xkw.com/dksih/QBM/2022/5/22/2984742987235328/2984796228083712/STEM/a08233a9-3e57-413c-9d81-f0baa02c2a4a.png?resizew=139)
(1)求p的值和抛物线的焦点坐标;
(2)设直线l与抛物线相交于A、B两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bf519dea387e976b316b94784af83f.png)
您最近一年使用:0次
2022-05-22更新
|
1751次组卷
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11卷引用:浙江省嘉兴市海宁市2022届高三下学期5月适应性考试数学试题
浙江省嘉兴市海宁市2022届高三下学期5月适应性考试数学试题(已下线)2022年全国高考甲卷数学(理)试题变式题13-16(已下线)2022年全国高考甲卷数学(理)试题变式题13-16题(已下线)2022年全国高考甲卷数学(理)试题变式题17-20题第三章 圆锥曲线的方程(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(人教A版2019)(已下线)专题40 抛物线及其性质-5(已下线)专题19 圆锥曲线(讲义)-2湖北省十堰市东风高级中学2022-2023学年高三8月月考数学试题(已下线)3.3(附加2)圆锥曲线中面积和范围问题-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)模块三 专题5 大题分类练(解析几何)基础夯实练 (已下线)3.3.2 抛物线的简单几何性质(6大题型)精练-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)
4 . 已知抛物线
的顶点为O,点P是第一象限内C上的一点,Q是y轴上一点,
为抛物线的切线,且
.
(1)若
,求抛物线的方程;
(2)若圆
都与直线
相切于点P,且都与y轴相切,求两圆面积之和的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50878e35cc3c632655e64a99fef5e9cc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203b64e2a9e4ac8bdfb1b541597f7119.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0101a7b5c8a4aed0de2af363792e39a1.png)
您最近一年使用:0次
解题方法
5 . 已知抛物线
的焦点为
,准线为
.直线
与抛物线
相切于点
且与
轴交于点
,点
是点
关于点
的对称点,直线
与抛物线
交于另一点
,与准线
交于点
.
![](https://img.xkw.com/dksih/QBM/2022/5/8/2975228174163968/2977014337904640/STEM/1d035744-1915-49a1-911f-9c627d82ceab.png?resizew=219)
(1)证明:直线
直线
;
(2)设
的面积分别为
,若
,求点
的横坐标的取值范围.
![](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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2022/5/8/2975228174163968/2977014337904640/STEM/1d035744-1915-49a1-911f-9c627d82ceab.png?resizew=219)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facf8d37cc13c66ac0c86148ea4eec0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a064c5c5a02dee689ee7150c1efc589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b95fdeeac4cb8608aaea5caa0324d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
解题方法
6 . 已知抛物线
的焦点为F,抛物线C上存在n个点
,
,
,
(
且
)满足
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5932fd1fed3afdc0946e7d218168877.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2022-03-30更新
|
3479次组卷
|
12卷引用:浙江名校联盟2022-2023学年高二下学期期中联考数学试题(B卷)
浙江名校联盟2022-2023学年高二下学期期中联考数学试题(B卷)浙江省绍兴市第一中学2022-2023学年高三上学期10月月考数学试题广东省2022届高三一模数学试题湖北省襄阳市第五中学2022届高三下学期适应性考试(三)数学试题(已下线)必刷卷05-2022年高考数学考前信息必刷卷(新高考地区专用)湖南省长沙市长郡中学2022届高三下学期高考前冲刺(一)数学试题(已下线)2022年高考考前20天终极冲刺攻略(三)【数学】(新高考地区专用)(5月29日)广东省汕头市金山中学2021-2022学年高二下学期期中数学试题(已下线)考点22 抛物线-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)江苏省南通市如皋市2022-2023学年高三上学期9月诊断测试数学试题河北省2022届高考临考信息(预测演练)数学试题(已下线)广东省2022届高三一模数学试题变式题11-16
7 . 已知椭圆
的左、右焦点分别为
,焦距为2,离心率
,抛物线
的焦点是
是椭圆
上的任意一点,且位于
轴左侧,过点
分别作抛物线
的两条切线,切点分别为
.
(1)求椭圆
和抛物线
的方程;
(2)求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cc1a20ca3fbbc74449ed12ecaf5961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0782718dd8b2e591ef21fc89d1af2fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567d0d9e835ec1eb949c40fd998c47f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ad58997b9dc0b341c9af08f0cd1fbe.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a9dabb53dc826019fc8b6ae6d940c5.png)
您最近一年使用:0次
解题方法
8 . 已知抛物线
的焦点为F,点A在抛物线上,若存在点B,满足
,则OB的斜率的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac436ebf7b925a086029d70809c54fd5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,已知点
在半圆
:
上一点,过点P作抛物线C:
的两条切线,切点分别为A,B,直线AP,BP,AB分别与x轴交于点M,N,T,记
的面积为
,
的面积为
.
![](https://img.xkw.com/dksih/QBM/2022/2/16/2917780834074624/2918913037582336/STEM/69b2636d-dd93-4c06-b114-72d6a5764755.png?resizew=182)
(1)若抛物线C的焦点坐标为(0,2),求p的值和抛物线C的准线方程:
(2)若存在点P,使得
,求p的取值范围.
![](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/6f2c1a1c868218dd0be4e77ca9cfe84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f9cbd5fce2c4819aadefcf10dcd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd68201c2f21edf7575166ce1ef82ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/2022/2/16/2917780834074624/2918913037582336/STEM/69b2636d-dd93-4c06-b114-72d6a5764755.png?resizew=182)
(1)若抛物线C的焦点坐标为(0,2),求p的值和抛物线C的准线方程:
(2)若存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/506c25a883f7d0e2342419e1e9f6b142.png)
您最近一年使用:0次
2022-02-18更新
|
1258次组卷
|
3卷引用:浙江省十校联盟2021-2022学年高三下学期开学联考数学试题
10 . 如图,已知椭圆
和抛物线
,斜率为正的直线
与
轴及椭圆
依次交于
、
、
三点,且线段
的中点
在抛物线
上.
![](https://img.xkw.com/dksih/QBM/2022/2/1/2907029768708096/2916957964623872/STEM/72e944f44b3a4ec3ac4c463746502027.png?resizew=212)
(1)求点
的纵坐标的取值范围;
(2)设
是抛物线
上一点,且位于椭圆
的左上方,求点
的横坐标的取值范围,使得
的面积存在最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4338a6909974a73a11b38df333a740db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5251f627988fa20bd12c6a63e2cf969f.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/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://img.xkw.com/dksih/QBM/2022/2/1/2907029768708096/2916957964623872/STEM/72e944f44b3a4ec3ac4c463746502027.png?resizew=212)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
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