名校
解题方法
1 . 甲罐中有5个红球,5个白球,乙罐中有3个红球,7个白球,先从甲罐中随机取出一球放入乙罐,再从乙罐中随机取出一球、
表示事件“从甲罐取出的球是红球”,
表示事件“从甲罐取出的球是白球”,
表示事件“从乙罐取出的球是红球”.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-20更新
|
1234次组卷
|
6卷引用:广东肇庆中学2021-2022学年高二下学期期中考试数学试卷
广东肇庆中学2021-2022学年高二下学期期中考试数学试卷山东省济宁市名校联考2023-2024学年高二下学期期中测试数学试题山西省阳泉市第一中学校2023-2024学年高二下学期5月期中考试数学试题(已下线)7.1.1条件概率(分层练习,4大题型)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第三册)(已下线)江苏省连云港市七校2023-2024学年高二下学期期中考试数学试题变式题11-15山东省泰安第二中学2023-2024学年高二下学期6月月考数学试题
2 . 已知关于
的一元二次不等式
的解集为
,其中
,
,
为常数,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82ec141c8e84ac00891f48577052e4.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c927779dc622ae5fb38dc449685799da.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 设函数
.
(1)若
,求
的值域;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e2f9cc2152e8f4dd41f6e8a5fd05be.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474b17c2ffa4e85675f0f59c482261ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a131f4a850d13aa1bae56fcaa96ee2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 设
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76256f453a003883ead6b6e8ee3c149e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 若对
,使不等式
成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0c7454200b4056bb0777d8a46faa7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171fb10336299b0d0574aec91f94d3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-17更新
|
145次组卷
|
2卷引用:1号卷·A10联盟2022-2023学年(2022级)高一上学期11月期中联考数学(人教A版)
解题方法
6 . 设函数
.
(1)若对
,
恒成立,求
的取值范围;
(2)若对任意
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685d33c50e3692c34e613d9fef2a414e.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af98533fbc91ae52c1eeaf0592a86f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43544677fd06f3e76144fd11509d3cd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 若定义在
上的函数
对任意实数
、
恒有
,当
时,
,且
.
(1)求证:
为奇函数;
(2)求
在
上的最小值;
(3)解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f247866d4020ed309d4e4d121ce445.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146bd0832a76214c792d20eb3cda46e.png)
您最近一年使用:0次
2024-02-17更新
|
201次组卷
|
2卷引用:1号卷·A10联盟2022-2023学年(2022级)高一上学期11月期中联考数学(人教A版)
解题方法
8 . 已知双曲线
的左、右焦点分别为
,
,点
在双曲线
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a127e344ccfdaf9cb84ebc7f999080ba.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() |
B.双曲线![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
9 . 已知直线
与圆
.
(1)当直线
与圆
相切时,求实数
的值;
(2)若直线
与
,
轴的正半轴分别交于
,
两点,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671f31d23ab15ff9ab015b34ba54c5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
(1)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若直线
![](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/d053b14c8588eee2acbbe44fc37a6886.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2024-02-16更新
|
47次组卷
|
2卷引用:1号卷·A10联盟2022-2023学年(2021级)高二上学期11月期中联考数学试卷(人教A版)
10 . 阿波罗尼斯是古希腊著名数学家,阿波罗尼斯圆是他的研究成果之一,指的是:若动点
与两定点A,
的距离之比为
,那么点
的轨迹就是阿波罗尼斯圆.若
,
,点
满足
,则直线
与点
的轨迹的交点个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d6363b2e961bc17afba24ed056dfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2681ac1a108631e2c2af86d2a68b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c4bf83133e307f465cd418f50b72e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.0 | B.1 | C.2 | D.1或2 |
您最近一年使用:0次
2024-02-15更新
|
132次组卷
|
2卷引用:1号卷·A10联盟2022-2023学年(2021级)高二上学期11月期中联考数学试卷(人教A版)