1 . 如图所示,
和
两点分别在射线
(点S,
分别在第一,四象限)上移动,且
为坐标原点,动点
满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/4/7e5fac4d-c4b7-497b-a08b-6bc5dc6d1610.png?resizew=167)
(1)求
的值;
(2)求动点
的轨迹方程,并说明它表示什么曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003af01b10e1469191aacaf9dbe651a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a589f874d368a6f9594ca424337cce0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb75064ee6860be3360feecf1918951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015221222f260fec899c7770df30f98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff51d38fdcb552216b2ef94fa75be39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/4/7e5fac4d-c4b7-497b-a08b-6bc5dc6d1610.png?resizew=167)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
(2)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2016-12-03更新
|
821次组卷
|
4卷引用:2014-2015学年四川省资阳市高二下学期期末质量测试理科数学试卷
12-13高二上·福建莆田·期末
2 . 给定双曲线
.过
的直线与双曲线交于两点
及
,求线段
的中点P的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d34cf4ed961f4052ed35c7475c7d32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faad01d7855930647c47f16c720522b0.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/a4a949c00526fddf435423272cf10f25.png)
您最近一年使用:0次
2016-12-01更新
|
2123次组卷
|
5卷引用:2011-2012学年福建省莆田十八中高二上学期期末考试理科数学试卷A
(已下线)2011-2012学年福建省莆田十八中高二上学期期末考试理科数学试卷A(已下线)专题9.6 直线与圆锥曲线(讲)-2021年新高考数学一轮复习讲练测(已下线)专题9.6 直线与圆锥曲线(精讲)-2021年新高考数学一轮复习学与练(已下线)专题9.6 直线与圆锥曲线 2022年高考数学一轮复习讲练测(新教材新高考)(讲)(已下线)第08讲 拓展二:圆锥曲线的方程(轨迹方程问题)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)
12-13高三上·上海闵行·期末
3 . 设双曲线
,
是它实轴的两个端点,
是其虚轴的一个端点.已知其一条渐近线的一个方向向量是
的面积是
为坐标原点,直线
与双曲线
相交于
两点,且
.
(1)求双曲线
的方程;
(2)求点
的轨迹方程,并指明是何种曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14503fb4f0ee53847732c298c13db666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26978eb63c32837266529072c19948f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e026d7230aa840dd7393d757cbd9b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b1bf9c1d1d8f43b8df6e373c6c82fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b461e9c1c614f2d0f35be760fb4556.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/3fb74745f1d6a291a7422feb93c27dbc.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575d5ba2a1c5ad81f3630f0969935573.png)
您最近一年使用:0次
11-12高二上·云南昆明·期中
解题方法
4 . 已知
、
,点
满足
,记点
的轨迹为
.
(1)求轨迹
的方程;
(2)设直线
过点
且与轨迹
交于
、
两点,若无论直线
绕点
怎样转动,在
轴上总存在定点
,使
恒成立,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fea2227147641b0ce513d419a02309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62769b7177ef4bc952dc1dd51d6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236bfabaa6ba7ad70803a85b6d422608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
11-12高三上·全国·单元测试
真题
名校
5 . 点P到
的距离之差为
,到
轴、
轴的距离之比为2,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd7696b93d2aa1fcec83184e2c4ae78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad491e5b5e14c49ef8b7004ebcfcef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-01更新
|
865次组卷
|
6卷引用:2002年普通高等学校招生考试数学(理)试题(大纲卷)
2002年普通高等学校招生考试数学(理)试题(大纲卷)(已下线)2012届大纲版高三上学期单元测试(8)数学试卷2017届上海市上海中学高考模拟试卷(2)数学试题(已下线)第二章 圆锥曲线与方程(能力提升)-2020-2021学年高二数学单元测试定心卷(北师大版选修1-1)(已下线)第三章 圆锥曲线与方程(能力提升)-2020-2021学年高二数学单元测试定心卷(北师大版选修2-1)(已下线)第14讲 双曲线-3
10-11高三·重庆·阶段练习
真题
名校
6 . .已知点
,
,动点
满足条件
.记动点
的轨迹为
.
(1)求
的方程;
(2)若
是
上的不同两点,
是坐标原点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8547f2b4e89b0ae1445bda02d46f0668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258dc5c8b4ea30bca80a56098065402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2d2bcbe628fbfad7b67313fbb20b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658aa70a197c830aa765f2f7ea4c86c5.png)
您最近一年使用:0次
2016-11-30更新
|
1752次组卷
|
12卷引用:2006年普通高等学校招生考试数学(理)试题(北京卷)
2006年普通高等学校招生考试数学(理)试题(北京卷)(已下线)2011届重庆八中高三第六次月考数学理卷(已下线)2012届重庆市四十八中学高三综合练习一理科数学试卷【全国百强校】河北省遵化市堡子店中学2017-2018学年高二下学期期末考试(理科)数学试题【全国百强校】河北省遵化市堡子店中学2017-2018学年高二下学期期末考试(文科)数学试题【全国百强校】江西省景德镇一中2017-2018学年高一(上)期末数学试题沪教版(上海) 高二第二学期 新高考辅导与训练 第12章 圆锥曲线 12.5 双曲线的标准方程(已下线)重难点08 直线与圆锥曲线(定点定值最值问题)-2021年高考数学【热点·重点·难点】专练(上海专用)福建省莆田第二十五中学2020-2021学年高二上学期期末考试数学试题(已下线)第14讲 双曲线- 1上海市育才中学2022-2023学年高二下学期期中数学试题(已下线)专题08 圆锥曲线 第三讲 圆锥曲线中的最值与范围问题(分层练)
10-11高三·江西南昌·阶段练习
名校
解题方法
7 . 已知圆
的圆心为
,圆
的圆心为
,一动圆与这两圆都外切.
(1)求动圆圆心
的轨迹方程;
(2)若过点
的直线
与(1)中所求轨迹有两个交点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d052e7f6a31a150c0a5cffaf6c446ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1a858d5498fe48b5e57bc882797928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5579140b53a1ca8fed54ab740b335c.png)
您最近一年使用:0次
8 . 在平面直角坐标系中,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
,
(
),![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
,O为坐标原点,若实数
使向量
,
和
满足:
,设点P的轨迹为
.
(1)求
的方程,并判断
是怎样的曲线;
(2)当
时,过点
且斜率为1的直线与
相交的另一个交点为
,能否在直线
上找到一点
,恰使△
为正三角形?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079dd115a4b8cbc93918a853363786dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623afc24f2227004b0e1b3922dfb954b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c09ec4df2696dbba7ce88beabad401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564b199342544c53ef301290e2f63c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be896197028af453994f1fbc49bfa0a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748a34baa7087732c583f54f105bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4902e5cb0eb4356973dcf00ca185eb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e450f669828a840fa07b499c30b29c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc38632d93f9f67e377e36666baf79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa35c35ffb60fcd8a5ea848f6593064.png)
您最近一年使用:0次