解题方法
1 . 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
|
1857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(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)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圆锥曲线之间的综合问题(已下线)第13讲 抛物线(9大考点)(2)(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)
2 . 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)
您最近一年使用:0次
解题方法
3 . 已知抛物线
的焦点是
,如图,过点
作抛物线
的两条切线,切点分别是
和
,线段
的中点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1dbb8993-f12e-48d2-9b83-87ab468913cb.png?resizew=189)
(1)求抛物线
的标准方程;
(2)求证:直线
轴;
(3)以线段
为直径作圆,交直线
于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07996498447064865ea5301b41679cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee74d649e1014da6fe65739fc2d9dcc.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1dbb8993-f12e-48d2-9b83-87ab468913cb.png?resizew=189)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b29c85d254553e5a3704cea48de311.png)
(3)以线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca75dd85255d6de2d4c8917a7239937c.png)
您最近一年使用:0次
2022-01-03更新
|
909次组卷
|
3卷引用:浙江省绍兴市诸暨市海亮高级中学2022届高三下学期高考前最后一卷数学试题
浙江省绍兴市诸暨市海亮高级中学2022届高三下学期高考前最后一卷数学试题浙江省绍兴市诸暨市海亮高级中学2021-2022学年高三上学期12月选考数学试题(已下线)第11讲 高考难点突破三:圆锥曲线的综合问题(最值、范围问题) (精讲)
名校
解题方法
4 . 如图,已知抛物线
,点
为抛物线上一动点,以C为圆心的圆过定点
,且
与x轴交于M,N两点(M点在N点的左侧),则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d26996f8c987fbb016ea688586b1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6519ac7f0b537c08e8c43faad2abf4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ccc04b26256d82bab992ee408ac7a4.png)
![](https://img.xkw.com/dksih/QBM/2021/6/2/2734152674639872/2735540386308096/STEM/a2cd9dda-c534-4a4b-ae63-3ae2f0766eca.png?resizew=265)
您最近一年使用:0次
解题方法
5 . 抛物线
的焦点为F,准线为
是抛物线上一点,过F的直线交抛物线于A,B两点,直线AP、BP分别交准线
于M、N.当
,点P恰好与原点O重合时,
的面积为4.
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726676338499584/2732237003841536/STEM/b716c866-c9f1-4356-8cc5-d73456cb7a6f.png?resizew=205)
(1)求抛物线C的方程;
(2)记
点的横坐标与AB中点的横坐标相等,若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ea803e31d2dedcf0590e0a0475e7ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cc699a65e140dd4be6195f25c1e85d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33181b27b10690b4913595f8c1f46e.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726676338499584/2732237003841536/STEM/b716c866-c9f1-4356-8cc5-d73456cb7a6f.png?resizew=205)
(1)求抛物线C的方程;
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe0bc8a9436bb738559b4aff7d4c721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8278a07eacf95a307186ba96fcb7b164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
6 . 如图,已知点
是焦点为
的抛物线
上一点,
,
是抛物线
上异于
的两点,且直线
,
的倾斜角互补,若直线
的斜率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/f44866ad-a43b-4257-ab0a-160e1c27ea00.png?resizew=154)
(Ⅰ)证明:直线
的斜率为定值;
(Ⅱ)求焦点
到直线
的距离
(用
表示);
(Ⅲ)在
中,记
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2781714853ddd3675560abfaa967242.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/f44866ad-a43b-4257-ab0a-160e1c27ea00.png?resizew=154)
(Ⅰ)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(Ⅱ)求焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(Ⅲ)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cd0e6d684f1983034c305af2f24cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06433d26939d333c62823d6113f98177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94ff61f05b1a88f9f9f785441bfcc92.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,已知抛物线
在点
处的切线
与椭圆
相交,过点
作
的垂线交抛物线
于另一点
,直线
(
为直角坐标原点)与
相交于点
,记
、
,且
.
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712433026957312/2714531731161088/STEM/b67f6c8f-4fc3-4a5b-9f8a-c09d4ce19dc0.png?resizew=203)
(1)求
的最小值;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4428756f1088ce78ed97cbcea99775f.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/9724fd240c60553bffc050d502e9a18a.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6270bb08b90f72d5671ab8225f356c43.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712433026957312/2714531731161088/STEM/b67f6c8f-4fc3-4a5b-9f8a-c09d4ce19dc0.png?resizew=203)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e86e6f0ac5903369afea2c8d04ba412.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fc44bdd2913504cd806ecbe56fc9fd.png)
您最近一年使用:0次
2021-05-05更新
|
1438次组卷
|
6卷引用:浙江省杭州市2021届高三下学期4月二模数学试题
浙江省杭州市2021届高三下学期4月二模数学试题(已下线)【新东方】高中数学20210429—009【2021】【高三下】(已下线)专题11.平面解析几何(解答题)-《2022届复习必备-2021届浙江省高考冲刺数学试卷分项解析》山东省日照市2023届高三下学期4月校际联合考试数学试题广东省深圳市福田区红岭中学2023届高三第五次统一考数学试题辽宁省辽宁师范大学附属中学2023年高三下学期5月月考数学试题