1 . 如果动点
满足
,则点
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae04b86ed14d09dd42b238bed0529ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
A.椭圆 | B.双曲线 | C.抛物线 | D.线段 |
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2 . 已知抛物线
的弦
斜率为1,则弦
中点
的轨迹方程__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 在平面直角坐标系
内,O为坐标原点,对于任意两点
,定义它们之间的“曼哈顿距离”为
,以对于平面上任意一点P,若
,则动点P的轨迹长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56998322ea32b68685df4fef7b46912e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed144a854178707c98cc51cdfaae852.png)
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2024-02-23更新
|
195次组卷
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2卷引用:安徽省合肥市第九中学2023-2024学年高二上学期第二次单元检测数学试题
4 . 已知M为椭圆
上的动点,过点M作x轴的垂线
,D为垂足,点P满足
,求动点P的轨迹E的方程(当点M经过椭圆与x轴的交点时,规定点P与点M重合.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9ce51f55008258322bbe19810f62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c4f5aa8ecaf9e5ab5245a88d99d928.png)
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5 . 已知点
与点
,
是动点,且直线
与
的斜率之积等于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)求动点
的轨迹方程;
(2)点
为原点,当
时,求第二象限点
的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8031c9cfbea709cf7dc7d2fbfcb57253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2023-12-08更新
|
557次组卷
|
3卷引用:安徽省芜湖市芜湖一中2023-2024学年高二上学期12月教学质量诊断测试数学试题
安徽省芜湖市芜湖一中2023-2024学年高二上学期12月教学质量诊断测试数学试题云南省保山市腾冲市第八中学2022-2023学年高二下学期期中考试数学试卷(已下线)3.2.1 双曲线及其标准方程【第二练】“上好三节课,做好三套题“高中数学素养晋级之路
名校
6 . 如图,棱长为2正方体
,
为底面
的中心,点
在侧面
内运动且
,则点
的轨迹长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93445126af2787c798f2274ef59b8d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/84d2bcb6-585d-4801-9761-a51991e3e39b.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.1 |
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2023-10-14更新
|
332次组卷
|
2卷引用:安徽省涡阳县第三中学2023-2024学年高二上学期10月月考数学试题
解题方法
7 . 已知动圆
过定点
,且与直线
:
相切,圆心
的轨迹为
.
(1)求动点
的轨迹方程;
(2)过点
作倾斜角为
的直线
交轨迹
于
,
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12afb7d94cc8c3aa927930fc328839c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f436117499e8ba9cb034e2704fc0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
名校
8 . 法国数学家笛卡尔开创了解析几何思想方法的先河.他研究了许多优美的曲线,在平面直角坐标系中,方程
所表示的曲线称为笛卡尔叶形线.当
时,笛卡尔叶形线具有的性质是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3f2655184b5747a140ab7a55599f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
A.经过第三象限 | B.关于直线![]() |
C.与直线![]() | D.与直线![]() |
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2023-02-15更新
|
361次组卷
|
2卷引用:安徽省合肥市六校联盟2023-2024学年高二上学期1月期末考试数学试题
名校
解题方法
9 .
中,
为
边上的高且
,动点
满足
,则点
的轨迹一定过
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea635aab77626c8cfb5be0a97672122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6dce3e76c15d4cc7cce13191ed366b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.外心 | B.内心 | C.垂心 | D.重心 |
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2023-02-10更新
|
1498次组卷
|
7卷引用:安徽省六安第一中学2023-2024学年高三上学期第三次月考数学试题
安徽省六安第一中学2023-2024学年高三上学期第三次月考数学试题江苏省南京市、盐城市2022-2023学年高三上学期期末联考数学试题(已下线)专题突破卷15 三角形的“四心”及奔驰定理(已下线)重难点突破05 求曲线的轨迹方程(十大题型)-2(已下线)模块三 专题2 题型突破篇 小题进阶提升练(4)期末终极研习室(2023-2024学年第一学期)高三(已下线)重难点4-2 奔驰定理及三角“四心”向量式(5题型+满分技巧+限时检测)(已下线)专题突破:三角形“四心”的向量式-同步题型分类归纳讲与练(人教A版2019必修第二册)
10 . 双纽线也称伯努利双纽线,是指定线段AB长度为2a,动点
满足
,那么
的轨迹称为双纽线.已知曲线
为双纽线,若
为曲线
上的动点,A,B的坐标为
和
,则
面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f504972e9eb62741d8849ac7300710a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7727e6435e7a4c3c731703eafbdd1ee7.png)
![](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/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa71aa2ea224669698850108751a71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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