1 . 函数
的最小值及取得最小值时
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd0d2ddf02f569989540cdefc181e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
2 . 已知方程
的两根分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b511c2f126fd5ebe753f0ceb13ec676a.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1a97f1258df718f8072985ce79110b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab7fdbe52a712e4765dec6f0d985b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b511c2f126fd5ebe753f0ceb13ec676a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1a97f1258df718f8072985ce79110b.png)
您最近一年使用:0次
3 . 已知实数
,
满足
,则下列不等式中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee5732e87ecfc08316cf6a946c8ed68.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.存在![]() ![]() ![]() |
D.对任意的![]() ![]() |
您最近一年使用:0次
解题方法
5 . 金刚石的成分为纯碳,是自然界中天然存在的最坚硬物质,它的结构是由8个等边三角形组成的正八面体,如图,某金刚石的表面积为
,现将它雕刻成一个球形装饰物,则可雕刻成的最大球体积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bb52bec7f09eaf568dca3b4a4fc717.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
620次组卷
|
9卷引用:湖南省益阳市2023届高三下学期4月教学质量检测数学试题
湖南省益阳市2023届高三下学期4月教学质量检测数学试题(已下线)押新高考第6题 立体几何广西百色市2022-2023学年高一下学期数学期末考试模拟试题山西省运城市景胜中学2022-2023学年高一下学期4月月考数学试题(A卷)(已下线)模块三 失分陷阱3 跨学科渗透题不会提取关键信息(已下线)专题07 球与几何体的切、接及立体几何最值问题-期末考点大串讲(苏教版(2019))(已下线)核心考点6 立体几何中组合体 B提升卷 (高一期末考试必考的10大核心考点) (已下线)专题6 组合体中的外接与内切问题【讲】(高一期末压轴专项)(已下线)【高一模块一】难度7 小题强化限时晋级练 (较难1)
解题方法
6 . 已知正方体
的棱长为6,点
,
分别在棱
,
上,且满足
,点
为底面
的中心,过点
,
,
作平面
,则平面
截正方体
所得的截面面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94ce22f30a8de2af135de3c89403aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd966daca9f4c09e7e6c0d973c6558d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65825dd2588cdaad4957a68a78be1864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65825dd2588cdaad4957a68a78be1864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知椭圆
的焦距为
,离心率为
.
(1)求椭圆的方程;
(2)设直线
与椭圆相交于不同的两点
,已知点
的坐标为
,点
在线段
的垂直平分线上,且满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9bebea391a1f9956dfcca98d9d1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆的方程;
(2)设直线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f116c729750d0e00a99ce61a3e748e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd357b09ef893323574d0173152be6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d14fa2ba5808dbd487cc375c7557a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,将
的图象向右平移
个单位长度,得到函数
的图象,则函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d7f6e1cbe0d9005b2fad3345a8b017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd9bb0a0ce6bb97c05dbf5b2aa64f98.png)
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆
的左、右焦点分别为
,经过左焦点
的直线与椭圆交于
两点(异于左、右顶点).
(1)求
的周长;
(2)求椭圆
上的点到直线
距离的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2c2c7a8f822a339a40fb724c3be2b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
(2)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f524ac41ac7f7ee26b566bc145b082.png)
您最近一年使用:0次
7日内更新
|
83次组卷
|
2卷引用:安徽省太和中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
10 . 已知双曲线
:
的左、右焦点分别为
,
,点
为双曲线
右支上的动点,过点
作两渐近线的垂线,垂足分别为A,
.若圆
与双曲线
的渐近线相切,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04fbca1869bfbaf3d55c6a01d3ebec1f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9df0d79e42d86b0def4caa10dffa75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.双曲线的渐近线方程为![]() |
B.双曲线![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
7日内更新
|
101次组卷
|
2卷引用:陕西省宝鸡市长岭中学2023-2024学年高二上学期期中考试数学试题