在学习了因式分解后,勤奋的琪琪同学通过课余的时间对因式分解的其他方法进行了探究,如:分解因式
.设
,利用多项式相等得
,
,故
可分解
.此时,我们就说多项式
既能被
整除,也能被
整除.根据上述操作原理,下列说法正确的个数为( )
(1)
能被
整除;
(2)若
能被
整除,则
或
;
(3)若
能被
整除,则
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f489ce20227ba90fb199bea3c43433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c30c9d47222629c3ea7b9a880d4e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b624d88827e92e12bc0a8f1067cbe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f489ce20227ba90fb199bea3c43433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ca1910d64e107e255651ebb07df778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6b88c1d9cbd5196cea97c622b1a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18182e796d3e4186d52dd4e882395459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7396af7fa4423ee5980e48f0038bceb.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2946c200abf78823cae003686c1cbc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7396af7fa4423ee5980e48f0038bceb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a903ed7ecc1660bfc5f6e8dcaa9d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b6d2815d6ec7cd110369cf0f804ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1e211417baa1cde12dde5efca6361d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d320ba6e417601f7694ed4120af45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
A.0 | B.1 | C.2 | D.3 |
23-24八年级上·重庆万州·期末 查看更多[6]
重庆市万州区2023-2024学年八年级上学期期末数学试题重庆市万州区部分学校2023-2024学年八年级上学期期末数学试题(已下线)专题9.19 用十字相乘法和分组分解法进行因式分解(知识梳理与考点分类讲解)-2023-2024学年七年级数学下册基础知识专项突破讲与练(苏科版)河北省保定市顺平县2023-2024学年八年级上学期期末数学试题(已下线)专题4.6 用十字相乘法和分组分解法进行因式分解(知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)(已下线)第四章 因式分解能力提升测试卷-2023-2024学年七年级数学下册《知识解读·题型专练》(浙教版)
更新时间:2024-01-24 18:41:34
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