1 . 解下列不等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d250f0e76ee2185deb8bded2101f3646.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d250f0e76ee2185deb8bded2101f3646.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c758ae6c484cefb07d40066500545b.png)
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2 . 解下列不等式(组)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a750a5a6e36574fab61ab073c7a44bd3.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db1011c95823a5873e09237c91a9bfb.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a750a5a6e36574fab61ab073c7a44bd3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db1011c95823a5873e09237c91a9bfb.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b098bb4d86572c68cabfc999d39764d1.png)
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3 . 已知二次函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
的图象如图所示,那么一元二次方程
的根是______ ,二次函数
的零点是______ ,一元二次不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2b5ee1eabb64358a3d9db2349b6fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84617aaab200384efeaec9a4fe71772.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/42bd82e4-f642-44e3-b766-f5b7784c0723.png?resizew=153)
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4 . 已知
,求M∩N, M∪N.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc70ae41504de89a78712365fc18c66b.png)
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5 . 当自变量x在什么范围取值时,函数
的值大于0?小于0?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbebab8e7701746cd56119b7f5a1f6c.png)
您最近一年使用:0次
解题方法
6 . 已知集合
,
,则M∩N=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7120229696a24667fcb2089b415ce1b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d683bf65666b8cda538a763a0228d8a6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76db4d90e33a446bd3e233fbfb93fe84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25f0e8599f55087bd48aa1f15eabae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985b64e77904b8df32da40b450ce2712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7559e3f589f5b0525eed395316b1a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-01更新
|
418次组卷
|
2卷引用:西藏林芝市第二高级中学2022-2023学年高二上学期第一学段考试(期中)数学试题
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c8df5cb697af4b312129fd54c63e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bb1662bae129fcfd57dc93d3c5adf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-30更新
|
447次组卷
|
3卷引用:西藏林芝市第二高级中学2022-2023学年高三上学期第二次月考数学(文)试题
22-23高三上·江西南昌·阶段练习
解题方法
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13962902591b266f20868a556b09c99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a2e0879a1c42e2f908d63f64b57004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次