名校
1 . 已知
是面积为
的等边三角形,四边形
是面积为2的正方形,其各顶点均位于
的内部及三边上,且可在
内任意旋转,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1954674261703d6c846f956520e90b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . “曼哈顿距离”是由赫尔曼·闵可夫斯基所创的词汇,是一种使用在几何度量空间的几何学用语.在平面直角坐标系中,点
,
的曼哈顿距离为
.若点
,Q是圆
上任意一点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724d316a295242846ae0f70a18e1e659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac51d5b0a1b6d229ca8e73300843e3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845c73ecca715e281ee13defac47f1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacabbd6406acbb4afb048e9cfa1bcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f36e22874cc6dd08e960ecdcca58a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135b08696706de37e1eab5f59697674c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 实数
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d63471465a852901b6aaf6b7fc4d042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e159c8203722a3c50784f7f6e65911e2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-07-05更新
|
1087次组卷
|
3卷引用:四川省成都市温江区2022届高考适应性考试数学(文)试题
名校
解题方法
4 . 已知点
和圆
:
上两个不同的点
,
,满足
,
是弦
的中点,给出下列四个结论:
①
的最小值是
;
②点
的轨迹是一个圆;
③若点
,点
,则存在点
,使得
;
④
面积的最大值是
.
其中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a81f14a75a6ab7fbf82312da4512f5d.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/3cb4eb87fd9c474fea913e4b68818abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37a608b9a139cc42e3b293585e877bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ef909d25c9b62dc9ce23e6ac1ee9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f2bba8303c05689ef4538e98e8929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7900d77797c7d97ea016771cb9075de1.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de0022a7f2e122492f1483e4d3cccba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e9fd03f46a5a12c4607b7d2ddad6f6.png)
其中所有正确结论的序号是( )
A.①② | B.①②③ | C.②③④ | D.①②④ |
您最近一年使用:0次
5 . 已知正
的三个顶点均在双曲线
上,则正
的中心的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.椭圆 | B.双曲线 | C.一条直线 | D.两条直线 |
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名校
解题方法
6 . 设点
在椭圆
上,点
在直线
上,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225849d13e453ce2efbac7d5cfc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e550003c0f49e3ea176d551eedae1699.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2021-01-31更新
|
1358次组卷
|
4卷引用:浙江省宁波市2020-2021学年高三上学期期末数学试题
浙江省宁波市2020-2021学年高三上学期期末数学试题(已下线)专题4-1 三角函数性质、最值和w小题归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)陕西省西安市铁一中学2020-2021学年高二下学期期中理科数学试题(已下线)第五篇 向量与几何 专题19 抽象距离 微点2 抽象距离——曼哈顿距离(二)
7 . 给出下列四个命题:(1)函数
的反函数为
;(2)函数
为奇函数;(3)参数方程
所表示的曲线是圆;(4)函数
,当
时,
恒成立.其中真命题的个数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e60a44154f75c823ce1ecc9bc18928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2585d719d74ef09632086010d6e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a050a32bde87e6e760bcc1a9b498b2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2498db154c52793d86de198f26af0de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc67c118eb59c6b5dc1f714579ff597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d710fccfef7b297602331d89489408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9518d59e737e3ac698165c5ec17ba636.png)
A.4个 | B.3个 | C.2个 | D.1个 |
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8 . 已知正数
满足
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed27cf5e7ceba01bbd21fa055534ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af3e6bcc82b09300dcc9f46c43ecbc3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 .
,
是
:
上两个动点,且
,
,
到直线
:
的距离分别为
,
,则
的最大值是
![](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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fa47a776962dd68b3ff39812cad9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2019-04-13更新
|
1980次组卷
|
6卷引用:【校级联考】四川省教考联盟2019届高三第三次诊断性考试数学(文)试题
10 . 在平面直角坐标系中,设点
,定义
,其中
为坐标原点,对于下列结论:
符合
的点
的轨迹围成的图形面积为8;
设点
是直线:
上任意一点,则
;
设点
是直线:
上任意一点,则使得“
最小的点有无数个”的充要条件是
;
设点
是椭圆
上任意一点,则
.
其中正确的结论序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb4db5074e7c8945c1800f1cc324be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4759683154382a581f2b2a01fd29c8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f7f4c636a14d0d953db30a75a549e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c1ea6f45906aadaf0d341f3f288dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87dd66cf060652315bfabccf616e35b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a38df8daecddd82aea1a67a426928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9626e05194631455817d916560f126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a435736ae8bd57ab0299d5c684cc39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e636bddc1a3d7c006ac304e96cd2551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4f1194512ac56fc1e25a6bb9eba75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003b371be8e9a1e1febd757686047a3b.png)
其中正确的结论序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-03-14更新
|
1016次组卷
|
3卷引用:【市级联考】安徽省淮南市2019届高三第一次模拟考试数学(理)试题
【市级联考】安徽省淮南市2019届高三第一次模拟考试数学(理)试题新疆阿克苏市高级中学2018-2019学年高二下学期期末考试数学(理)试题(已下线)考点52 坐标系与参数方程-备战2022年高考数学(理)一轮复习考点帮