1 . 回答下列各题:
(1)计算:
.
(2)求不等式组
的解.
(3)先化简,再求值
,其中x的值是方程
的根.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d37748a847ea07f86e9d8987fc41b0.png)
(2)求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e43d080c3647643a56a853d0e4685d6.png)
(3)先化简,再求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668ff378ae340df95a355acaf5806bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8034dddd265a186e29172623e3b9eadf.png)
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2 . (1)求不等式组
的整数解,可按下列步骤完成解答:
①解不等式①,得:
②解不等式②,得:
③把不等式①和②的解集在数轴上表示出来:
④原不等式组的解为:
⑤原不等式组的整数解为:
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/410029de91aa64a49d81f35df1489d17.png)
①解不等式①,得:
②解不等式②,得:
③把不等式①和②的解集在数轴上表示出来:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/5abc164c-86c8-44db-8c59-1bdb001a0ffe.png?resizew=232)
④原不等式组的解为:
⑤原不等式组的整数解为:
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488c8a8ed3c5ccbf289849967ad572d8.png)
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3 . (1)解不等式组:
,并把解集在数轴上表示出来;
(2)先化简,再求值:已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4348a5183fcf3686773969d85c3921.png)
(2)先化简,再求值:已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc12fed7a6f4777c0fccc896e624281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde4df5d30068f1efab9f40c2f24b623.png)
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4 . 解方程或不等式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c3a62a60d6980ce31614850fdeb0f4.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39832874059a4eba9897f2f1e741fa7.png)
(3)求不等式组
的最大整数解.
(4)解关于
的分式方程
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c3a62a60d6980ce31614850fdeb0f4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39832874059a4eba9897f2f1e741fa7.png)
(3)求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea34731ab35d0b4a20ece917d4095028.png)
(4)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ae53c2c99b654c95e87623fc75eab4.png)
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5 . (1)解方程:
;
(2)解方程
;
(3)解方程组
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedf894f1ce8ccdb64ddb3a86feb7b46.png)
(2)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0f2225c51f88aa9fc4f783525fb0c2.png)
(3)解方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b402a08175027f5f4811f60ff4adeb5.png)
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6 . 定义区间
的长度均为
,其中
.
(1)不等式组
的解集中各区间的长度和等于8,求实数
的取值范围;
(2)已知常数
,满足
,求满足不等式
的解集中各区间长度之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dea81d99b5fe5d506bbd3e4843d085a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba426b113b9e781b0e45a17872dc0815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40aac3b8bed3f6e9b79a1f7c0ff6c830.png)
(1)不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b5e05c2f0eebfebc3568d69dac9746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08075b3b73dd2609baad69a496fdd9a8.png)
(2)已知常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae22c3fbdb2ad97d9fa6b542490a28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed0d3e6741e0193addff8cf7b25019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e383476c275769e102fd17e6af59b321.png)
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7 . 回答下面两题
(1)解方程组:
.
(2)解不等式组
,并把解集表示在数轴上.
(1)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db95568c7b0de8f1bd421d3fd599345.png)
(2)解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751755737949b5e1d1e5e852331cf164.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/4ffdd2b1-f4b8-49ca-99b7-b71e4f8dda4d.png?resizew=223)
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8 . (1)解方程组
;
(2)解关于
的不等式
;
(3)已知关于
的不等式
的解集为
,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9875224051c04670bea42c9a25304076.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aee08ad8c82acbf3b6a1c3824f2383.png)
(3)已知关于
![](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/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009db35e84f9e2ed847519211918fbfe.png)
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2023-11-05更新
|
84次组卷
|
2卷引用:北京市十一学校2023-2024学年高一上学期教与学质量诊断(期中)考试数学试题
9 . 解下列各题:
(1)解不等式:
;
(2)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
是非零实数,已知
的值.
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db7dc6d6d563e64470ad7c0196b75a3.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7f321c2a74ef6e75ff3a4252323457.png)
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10 . 解下列各题:
(1)因式分解:
;
(2)化简:
;
(3)解不等式:
.
(1)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67937744c84defc44075d1b4486c3947.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2d0d80ed900dfc56b4a5f87bf7cb72.png)
(3)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db7dc6d6d563e64470ad7c0196b75a3.png)
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