名校
1 . 若关于
的不等式
的解集是
,关于
的不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b59b070cb111ed272fc1a062c984c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f20dd5463f4d50cf135e6863b3e2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39498981daaa7d8575aa043b8320840e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知关于
的不等式
.
(1)若
,求不等式的解集;
(2)若
,求不等式的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1801c8c4ffa5b5e8275e2cb6a65f3bef.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
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3 . 解下列不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fb98650c38f857ce7962b407a4f368.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efea74dcffafa4f3a5998d534924a02d.png)
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4 . 不等式
的解集为 ____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24e2d5ad86cfc858d6d5185cd051fd7.png)
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解题方法
5 . 解下列关于x的不等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4359758f1c73bfc2d9b38c8ded89dbe0.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357777d50178710c571de428b14d1bd1.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4359758f1c73bfc2d9b38c8ded89dbe0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357777d50178710c571de428b14d1bd1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ca8cd298824c886adc3c394b330e54.png)
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6 . 已知关于x的不等式
的解集为
,则错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e03761d7721aae45d244b275eb45e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c3b401f83a01b5ac51ae49aa6f7906.png)
A.![]() |
B.点![]() |
C.![]() ![]() |
D.关于![]() ![]() ![]() |
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名校
7 . 对于问题“已知关于
的不等式
的解集为
,解关于
的不等式
”,给出一种解法:由
的解集为
,得
的解集为
,即关于
的不等式
的解集为
,类比上述解法,若关于
的不等式
的解集为
,则关于
的不等式
的解集为( )
![](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/eadeb82affdecca062548844caf8c0a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41563598c0fd893422c087bb3bd31e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eadeb82affdecca062548844caf8c0a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f72f833420cbaa04a29559e15329a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea19306bdd80ec6572a6ea72cb716740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41563598c0fd893422c087bb3bd31e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea19306bdd80ec6572a6ea72cb716740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158e46ef98c4165f21e2264d1edf555b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e27d475bfdb363ff20a3de77887ac48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14000a26b3402ef2d80293e46282ada.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知集合
,
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72015c9d03cca943173f7309e3e11f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d96a4cf320c4728cca18453cd879c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc3a093a8904e8617544c8caa876759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 下列命题为真命题的是( )
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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名校
10 . 已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae97c18085e245c6b1355893a803764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0228ed686d92f30c6625e49aeb2c613e.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2023-10-11更新
|
293次组卷
|
4卷引用:广东省惠州市惠州中学2023-2024学年高一下学期3月月考数学试题