名校
1 . 解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ff530e217a5b40c35dca4e4fd8858a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5917438c813a667549b03918861de8.png)
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名校
2 . 已知
是关于
的方程
的解,则
的值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3039edd3b4f450ce5d1cb28a043729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5815dd863f03ca9966644892034702.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910a7dd3a407a7b77617e4aaf47f53f7.png)
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4 . 已知
是关于x的一元一次方程,则a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d750e3672c600b758ba59e348fbf17a1.png)
A.5 | B.![]() | C.![]() | D.3 |
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5 . 若
是关于
的一元一次方程
的解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c84057882768f20a01365c81b6760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18fe4f6e18de42e62d20693453639ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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6 . 若
是方程
的解,则m的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9489aa2bdc970793e05635a58380cea.png)
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2024-03-02更新
|
19次组卷
|
2卷引用:河南省驻马店市第八初级中学2023-2024学年七年级上学期期末数学试题
7 . 设代数式
,代数式
,
为常数.观察当x取不同值时,对应A的值并列表如下(部分):
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eac72c4a819ac13d98fbb18eb3e449e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7133b4208b30d46d14ce8f476591516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
X | … | 1 | 2 | 3 | … |
A | … | 5 | 6 | 7 | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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8 . (1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5d4c53be770e1ae5184da5fff5171d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36822ecc52b6e11a8045beca57c935e3.png)
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9 . 根据如图所示的程序计算函数
的值,若输入的
的值是4或7时,输出的
值相等,则
等于_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/291901e6-0463-4c31-b355-d9705f036b2a.png?resizew=170)
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10 . 下列各数中,是方程
的解的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58592458be7a1b426c409d54cf6e6ac8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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