名校
解题方法
1 . 已知曲线.
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da570b85be54e1194ca485d4751abfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed983f366396f988a3090fbf14ce696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
①试问是否为定值?若是,求出该定值;若不是,请说明理由.
②若直线与
轴分别交于点
,证明:
.
您最近一年使用:0次
名校
2 . 吉林雾淞大桥,位于吉林市松花江上,连接雾淞高架桥,西起松江东路,东至滨江东路.雾淞大桥是吉林市第一座自锚式混凝土悬索桥,两主塔左、右两边悬索的形状均为抛物线(设该抛物线的焦点到准线的距离为米)的一部分,左:右两边的悬索各连接着29根吊索,且同一边的相邻两根吊索之间的距离均为
米(将每根吊索视为线段).已知最中间的吊索的长度(即图中点
到桥面的距离)为
米,则最靠近前主塔的吊索的长度(即图中点
到桥面的距离)为( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-14更新
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861次组卷
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3卷引用:专题07 直线与圆、圆锥曲线
解题方法
3 . 已知椭圆的焦点是椭圆
的顶点,椭圆
的焦点也是
的顶点.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654317ca05d25fee978869723ba8d0c8.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937c5db73d81da5525d4d35885dac04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
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名校
4 . 双曲线
的左、右焦点分别为
,
,
为
的右支上一点,分别以线段
,
为直径作圆
,圆
,线段
与圆
相交于点
,其中
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dbcecd99fa41926a7bdbb75e8e556e.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/8a50ebd1b174cab382f6cbc82f92bf3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a455c83c7d8e4f9a91340eab24896e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.圆![]() ![]() ![]() |
您最近一年使用:0次
2024-02-14更新
|
875次组卷
|
4卷引用:专题07 直线与圆、圆锥曲线
2024·全国·模拟预测
名校
解题方法
5 . 已知抛物线:
,直线
,且点
在抛物线上.
(1)若点
在直线
上,且
四点构成菱形
,求直线
的方程;
(2)若点
为抛物线和直线
的交点(位于
轴下方),点
在直线
上,且
四点构成矩形
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03534c7df6560bed49c6f10ff7a829a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(2)若点
![](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/81dea63b8ce3e51adf66cf7b9982a248.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/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2024-01-18更新
|
1006次组卷
|
5卷引用:黄金卷07(2024新题型)
(已下线)黄金卷07(2024新题型)(已下线)2024届数学新高考学科基地秘卷(二)广东省广州市广东实验中学2024届高三上学期第三次调研数学试题重庆市缙云教育联盟2024届高三下学期2月月度质量检测数学试题江西省临川第一中学2023-2024学年高二下学期第一次月考数学试卷
名校
解题方法
6 . 已知双曲线
的两个焦点分别为
,且满足条件
,可以解得双曲线
的方程为
,则条件
可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fecb84eefb8a3ed8db2ce10acae6b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334e343daae170f14d086661bc5792a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.实轴长为4 | B.双曲线![]() |
C.离心率为![]() | D.渐近线方程为![]() |
您最近一年使用:0次
2024-01-10更新
|
1963次组卷
|
10卷引用:专题07 直线与圆、圆锥曲线
(已下线)专题07 直线与圆、圆锥曲线(已下线)艺体生一轮复习 第八章 解析几何 第40讲 双曲线【练】(已下线)模块七 圆锥曲线(测试)(已下线)专题4 离心率题 定义方程 【练】辽宁省沈阳市2023-2024学年高三上学期教学质量监测(一)数学试题吉林省通化市梅河口市第五中学2024届高三上学期期末数学试题山东省菏泽市单县湖西高级中学北校区2024届高三上学期期末仿真训练数学试题宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(二)安徽省宣城市2023-2024学年高二上学期1月期末考试数学试卷浙江省杭州学军中学紫金港校区2023-2024学年高二上学期期末数学试题
解题方法
7 . 已知如图,点
为椭圆
的短轴的两个端点,且
的坐标为
,椭圆
的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/acef4fa0-271a-4bd0-814d-7deb9069cc85.png?resizew=176)
(1)求椭圆
的标准方程;
(2)若直线
不经过椭圆
的中心,且分别交椭圆
与直线
于不同的三点
(点
在线段
上),直线
分别交直线
于点
.求证:四边形
为平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4fd84394e897ebf6c4814b841d427b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/acef4fa0-271a-4bd0-814d-7deb9069cc85.png?resizew=176)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6684304a7537da9517c889c9cbf90a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d0ff4224f475ab37c6f96d00506f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d107710e7aff959395ca6f8d23c52c7.png)
您最近一年使用:0次
2024-01-10更新
|
1595次组卷
|
3卷引用:专题07 直线与圆、圆锥曲线
名校
解题方法
8 . 定义两个点集S、T之间的距离集为
,其中
表示两点P、Q之间的距离,已知k、
,
,
,若
,则t的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc583b7bb3ab41850a8a2447a7abaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7033cdfb9fb5770ca833f2c83ecb3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450f84739e8a2d21b374ccedc8972605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56d22586bc5fb71fe1b442ee7580268.png)
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2023-03-02更新
|
2194次组卷
|
9卷引用:专题01 集合与常用逻辑用语