1 . 已知圆
,过直线
上一点
作圆
的两条切线,切点分别为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca264dbc2d208e08da4144690c65e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.若点![]() ![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() |
D.以线段![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知椭圆
,其上顶点为
;
(1)若直线
与椭圆
交于
、
两点,求证:
为定值;
(2)由椭圆
上不同三点构成的三角形称为椭圆的内接三角形,现以
为直角顶点作椭圆
的内接等腰直角三角形,求内接等腰直角三角形的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667ac0afa44e3cbba0b90ce891c6a9be.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f6c5fd93aed88bec58002a20ea2e90.png)
(2)由椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
3 . 如图,一个三棱锥容器的三条侧棱上各有一个小洞
,
,
,经测量知
,
,这个容器最多可盛原来水的( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/ae38d901-3993-4d64-9cfc-23b8ca0c2808.png?resizew=160)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680b6b5ec7ec4f9b8e93a38f45ab0367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37247a2a108cc53c8d85165c2be9cf9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/ae38d901-3993-4d64-9cfc-23b8ca0c2808.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知双曲线
:
的左、右焦点分别为
,
,过点
的直线
与双曲线
的左支交于点
,与双曲线
的一条渐近线在第一象限交于点
,且
(
为坐标原点).下列三个结论正确的是( )
①
的坐标为
;②
;③若
,则双曲线
的离心率
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/5963abe8f421bd99a2aaa94831a951e9.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/3ff7a1037eb6722eda89b96d7ad95c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51268980423c80194910c03859c1ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dd309625682a9e2bea8a8d3068faaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda94b3b7c2f1cfede83728a9dbb7dfe.png)
A.①② | B.②③ | C.①③ | D.①②③ |
您最近一年使用:0次
名校
5 . 已知双曲线
,F为其右焦点,过F点的直线与双曲线相交于A,B两点,若
,则这样的直线l的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c465114dc2665d74246240b1d4d26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
A.1条 | B.2条 | C.3条 | D.4条 |
您最近一年使用:0次
名校
解题方法
6 . 如图所示,正方体
的棱长为1,
、
、
分别为
、
、
的中点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/3b260ac8-9678-41e5-9b71-df3841b30498.png?resizew=166)
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/3b260ac8-9678-41e5-9b71-df3841b30498.png?resizew=166)
A.直线![]() ![]() ![]() | B.点![]() ![]() ![]() |
C.直线![]() ![]() | D.三棱锥![]() ![]() |
您最近一年使用:0次
2023-12-24更新
|
584次组卷
|
3卷引用:湖北省云学名校联盟2023-2024学年高二上学期期中联考数学试题
7 . 已知函数
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf83efd34b7c7ac8a5b4682d78d0ee5.png)
A.![]() ![]() |
B.方程![]() ![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
8 . 先看下面的阅读材料:已知三次函数
(
), 称相应的二次函数
为
的“导函数”,研究发现,若导函数
在区间
上恒成立,则
在区间
上单调递增;若导函数
在区间
上恒成立,则
在区间
上单调递减.例如:函数
,其导函数
,由
,得
, 由
,得
或
,所以三次函数
在区间
上单调递增,在区间
和
上单调递减. 结合阅读材料解答下面的问题:
(1)求三次函数
的单调区间;
(2)某市政府欲在文旅区内如图所示的矩形
地块中规划出一个儿童乐园(如图中阴影部分),形状为直角梯形
(线段
和
为两条底边,
),已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f171567256d0e2b0a88e327d5006af9.png)
,其中曲线
是以
为顶点、
为对称轴的抛物线的一部分.
①设
,求出梯形
的面积
与
的解析式;
②求该公园的最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb68078590e8785def6cb1d7e0126a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4ea3d627afa62f550d2d9bf366728f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732ab7a068ec2ea3615f0bcb33a68841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b0fdfd20a413cff3aae1b3fd3a3ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44ad0bc2b7d218bae59f0cf856109ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f54af6661254f0b1a627c612827bb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732ab7a068ec2ea3615f0bcb33a68841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafe647840cc2ace0d94bdca3c4fb03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b0fdfd20a413cff3aae1b3fd3a3ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c82644f77c5455ceb7f94950e94273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879234adbae93aa72b7e101b3738d4e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/886ae69d-efe6-4b66-b763-aa1ceb6bd076.png?resizew=72)
(1)求三次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21ad3ae9e10266f6749c29d38b22801.png)
(2)某市政府欲在文旅区内如图所示的矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7517f54a1ccb77add90ade02b3a84719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90c780dac29ff8b7df5881d3b33abab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42af8cdea9c5269c17aebb086afdd136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27b89c70987f830a886400eafa3acd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f171567256d0e2b0a88e327d5006af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b8f005d1f63613a05738d68e52e35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7517f54a1ccb77add90ade02b3a84719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②求该公园的最大面积.
您最近一年使用:0次
9 . 已知圆
:
和圆
:
的交点为A,B,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd767240a603ca0c0db5567707eb704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874eb6035e81942390bd79662dcc6f66.png)
A.公共弦AB所在的直线方程为![]() |
B.公共弦AB的长为![]() |
C.线段AB的中垂线方程为![]() |
D.若P为圆![]() ![]() |
您最近一年使用:0次
2023-12-20更新
|
211次组卷
|
5卷引用:湖北省部分高中联考协作体2023-2024学年高二上学期期中联考数学试题
解题方法
10 . 我们知道,函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数,有同学发现可以将其推广为:函数
的图象关于点
成中心对称图形的充要条件是函数
为奇函数.则求出函数
的图象的对称中心为______ ;类比上述推广结论,写出“函数
的图象关于y轴成轴对称图形的充要条件是函数
为偶函数”的一个推广结论是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6017f4112bdd4aa7e24cac8344019f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次