名校
解题方法
1 . 已知中心在原点O的椭圆E的长轴长为
,且与抛物线
有相同的焦点.
(1)求椭圆E的方程;
(2)若点H的坐标为(2,0),点
、
(
)是椭圆E上的两点,点A,B,H不共线,且∠OHA=∠OHB,证明:直线AB过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
(1)求椭圆E的方程;
(2)若点H的坐标为(2,0),点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ff82ebdfad5e7de1c7487b0b817a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a53e311ee0b5085e7e5a45c606daa5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
您最近一年使用:0次
2022-05-11更新
|
891次组卷
|
6卷引用:湖北省宜昌市夷陵中学2021-2022学年高二下学期诊断性检测数学试题
湖北省宜昌市夷陵中学2021-2022学年高二下学期诊断性检测数学试题河南宋基信阳实验中学2021-2022学年高二下学期转段考试(升高三)理科数学试题云南省德宏州2022届高三上学期期末教学质量检测数学(文)试题云南省玉溪市第一中学2023届高三上学期开学考试数学试题 新疆克拉玛依市高级中学2022-2023学年高三下学期第一次闭环检测文科数学试题(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
2 . 已知抛物线
与椭圆
有公共的焦点,
的左、右焦点分别为
,
,该椭圆的离心率为
.
![](https://img.xkw.com/dksih/QBM/2022/5/4/2972146477883392/2974125947092992/STEM/3aa73769-422e-419c-a335-b8c09cdde1f6.png?resizew=207)
(1)求椭圆
的方程;
(2)如图,若直线
与
轴,椭圆
顺次交于
,
,
(
点在椭圆左顶点的左侧),若
与
互补,试问直线
是否经过一个定点?若直线
经过一个定点,试求此定点坐标;若不经过,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9cdcc25290844c9d4c088bf58afada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2022/5/4/2972146477883392/2974125947092992/STEM/3aa73769-422e-419c-a335-b8c09cdde1f6.png?resizew=207)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)如图,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080156cfe470743e16136139f8ef746f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073419c46d23ab8dd7cec04eea8c3386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-05-07更新
|
373次组卷
|
3卷引用:陕西省汉中市2023-2024学年高三上学期第三次校际联考理科数学试题
名校
解题方法
3 . 如图,点
是圆
:
上的动点,点
,线段
的垂直平分线交半径
于点
.
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965732335583232/2968009211592704/STEM/57eb72a3e8ae40d69d780d6028d6d09d.png?resizew=306)
(1)求点
的轨迹
的方程;
(2)点
为轨迹
与
轴负半轴的交点,不过点
且不垂直于坐标轴的直线
交椭圆
于
,
两点,直线
,
分别与
轴交于
,
两点.若
,
的横坐标之积是2,问:直线
是否过定点?如果是,求出定点坐标,如果不是,请说明理由.
![](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/553360f0476d7533adfae3d0e862946b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513eafd10fa1ec0196562865517e0b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965732335583232/2968009211592704/STEM/57eb72a3e8ae40d69d780d6028d6d09d.png?resizew=306)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77227d4d2b4a96829fd5ae1dd7cad688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a8c60eb762b0951c61153fc17ba91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-04-28更新
|
1141次组卷
|
5卷引用:河南省信阳市信阳高级中学2022-2023学年高二下学期6月月考数学试题
名校
解题方法
4 . 已知椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的短轴长为
,
,
分别为椭圆
的左、右焦点,
为椭圆的上顶点,
.
(1)求椭圆
的标准方程;
(2)设
为椭圆
的右顶点,直线
与椭圆
相交于
,
两点(
,
两点异于
点),且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/ee4b22c4eb0731ef89bfa4682e118a4b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3835e6398d18d162afebc92cd2ae9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
的左,右顶点分别为A,B,点A到直线
:
的距离为6,点
在椭圆C上.
(1)求椭圆C的标准方程;
(2)点P在直线
上(点P不在x轴上),直线
与椭圆C相交于另一点M,直线
与椭圆C相交于另一点N,求直线
所过定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8da36e3081bfe5d32c9ec70be4da3da.png)
(1)求椭圆C的标准方程;
(2)点P在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
为平面内一动点,过P作y轴的垂线,垂足为Q,P为线段
的中点,且
.记动点P的轨迹为W.
(1)求W的方程.
(2)S为W与x轴正半轴的交点,过S引两条斜率之和为
的直线
与W分别交于A,B两点(这两点均异于点S),证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91de6ffbf6c8984a3e64d43b566eedd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e4b0ddfa5aec71d6df83e574b56150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c20f1c1f2f21f42c9bd9c977882995.png)
(1)求W的方程.
(2)S为W与x轴正半轴的交点,过S引两条斜率之和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7051ff37911605e5b581ac8a914469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-03-29更新
|
287次组卷
|
3卷引用:江西省南昌市第十五中学等名校2021-2022学年高二3月联考数学(文)试题
名校
解题方法
7 . 在平面直角坐标系xOy中,
为坐标原点,M(2,0),已知平行四边形OMNP两条对角线的长度之和等于
,动点P的轨迹为C
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://img.xkw.com/dksih/QBM/2022/3/18/2938777167814656/2942537649692672/STEM/41b0df9ec61a45fd91ab61f6ddfe347f.png?resizew=139)
(1)求轨迹C的曲线方程;
(2)若A,B为C上的两个动点,过点M且垂直x轴的直线平分∠AMB,证明直线AB过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://img.xkw.com/dksih/QBM/2022/3/18/2938777167814656/2942537649692672/STEM/41b0df9ec61a45fd91ab61f6ddfe347f.png?resizew=139)
(1)求轨迹C的曲线方程;
(2)若A,B为C上的两个动点,过点M且垂直x轴的直线平分∠AMB,证明直线AB过定点,并求出定点坐标.
您最近一年使用:0次
名校
解题方法
8 . 已知定点
,
,动点P满足
,记动点P的轨迹为
.
(1)求动点P的轨迹
的方程;
(2)已知动直线l的方程为
,其中
,若动直线l与曲线
相交于M、N两点,且点M关于x轴的对称点为点Q,求证:直线QN经过一定点,并求出该定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4c1016bf87b416cff0f3fa79d3ef9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513eafd10fa1ec0196562865517e0b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371575b97471ba19edd7b65aad138cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求动点P的轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)已知动直线l的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0aafd52e26c241c46d0206f42f415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
您最近一年使用:0次
9 . 已知椭圆C:
经过点
,其右顶点为A(2,0).
(1)求椭圆C的方程;
(2)若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
.证明直线PQ经过定点,并求△APQ面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e454c7161999e2a67138869f59d319b.png)
(1)求椭圆C的方程;
(2)若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8930e9a26a52a6b09740c1dddbd40e.png)
您最近一年使用:0次
2022-03-22更新
|
1172次组卷
|
5卷引用:河南省豫南省级示范高中联盟2021-2022学年高三下学期联考三文科数学试题
名校
解题方法
10 . 已知椭圆C:
(
,
)的长轴为双曲线
的实轴,且椭圆C过点P(2,1).
(1)求椭圆C的标准方程;
(2)点A,B是椭圆C上异于点P的两个不同的点,直线PA与PB的斜率均存在,分别记为
,
,且
,当坐标原点O到直线AB的距离最大时,求直线AB的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28675c5bcb91f9084684c58095f37ba1.png)
(1)求椭圆C的标准方程;
(2)点A,B是椭圆C上异于点P的两个不同的点,直线PA与PB的斜率均存在,分别记为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151e09f3a383d7811c619eef3a6398cf.png)
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5卷引用:陕西省西安市西北工业大学附属中学2022-2023学年高三上学期第一次适应性训练理科数学试题