名校
解题方法
1 . 已知命题
:“方程
有两个不相等的实根”,命题
是真命题.
(1)求实数
的取值集合
;
(2)设不等式
的解集为
,若
是
的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d265e5e9080ddd90f80de0bee1b6af5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7e1fa812959e02056b3fe12782dd94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-23更新
|
115次组卷
|
3卷引用:宁夏银川市第二中学2022-2023学年高二上学期期中考试数学(文)试题
名校
2 . 设不等式
的解集为A,关于x的不等式
(a为常数)的解集为B,若A⊆B,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57032c1466f18d9750637c3a00f6a316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8299782307909d80180b90a0f06e8a1.png)
您最近一年使用:0次
名校
3 . 已知
,当
时的值域为集合
,关于
的不等式:
的解集为
,集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7a7822dfb3b884a2ac7e459baf5b3d.png)
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ef135fc306b06b7a16243b41b4d2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10e003c10ee55a22766a41b550e61d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcb47c49084a43e41ba3251a9406f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6792f9f9b31d699eaa25bc3145f3a48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7a7822dfb3b884a2ac7e459baf5b3d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c536e175028b6905e96196834e52a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
4 . 下列选项中正确的是( )
A.已知集合![]() ![]() ![]() |
B.若不等式![]() ![]() ![]() |
C.若集合![]() ![]() ![]() |
D.已知集合![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-09-29更新
|
774次组卷
|
2卷引用:江苏省南通市海安市曲塘中学2022-2023学年高一上学期期初考试数学试题
名校
5 . 设关于
的不等式
的解集为
,不等式
的解集为
.
(1)当
时,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c858cda79dc094491576fcebb5554523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6b1fc85c324b4c4defdc8f1012d9ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 已知关于
的不等式
的解集为
,不等式
的解集为
.
(1)若
,求P
(2)若
,求
的值;
(3)若“
”是“
”的充分非必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b18e6c2e029ab60054f149d24e0247e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0153f1f52c440bb25e9d644bf39f57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe08694383e369d9ee0425bf60bad1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f08f548d6b0614f2ad7b0c1047933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 已知关于
的不等式
的解集为
,集合
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545cbe6a335c7eae5aa8ce51941d0664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe00c83e28937ae6d53eeec46d491e4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知集合
,不等式
的解集为
.
(1)当
时,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6053b07cd2f3a4cd87cc0e1568474c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2022-11-08更新
|
681次组卷
|
4卷引用:四川省成都市第七中学2022-2023学年高一上学期期中数学试题
四川省成都市第七中学2022-2023学年高一上学期期中数学试题江苏省常州市华罗庚中学2022-2023学年高三上学期10月调研数学试题河北省石家庄市行唐启明中学2022-2023学年高二下学期开学考试数学试题(已下线)期中真题必刷易错60题(26个考点专练)-【满分全攻略】(人教A版2019必修第一册)
9 . 全集
,
,不等式
的解集为
.
(1)若
,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0f180e72b69304bdc4b9b96d7b45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7026b721caf58b61b1daac10d7db2b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 定义一种新的集合运算
且
.若集合
,
.
(1)求集合M;
(2)设不等式
的解集为P,若
是
的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64728253724138a62ac0009d6e286c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb7c317f907cd7fda5ae49b24f2d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3530b9ac69019714b0d5c6e6ee888c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde1535fe87eec15c25996ec0709bf2b.png)
(1)求集合M;
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91b29762bb18325bb6174d299fdb865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
您最近一年使用:0次