1 . 解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301fc4f75a683bcdb492e4dfa2b9b37a.png)
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2 . 如图,在正方形
中,
,点E是边
上的点,且
,点F是对角线
所在直线上一点且
.过点F作
,边
交直线
于点G,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377f5c10cf527c87ab06bff61384f7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a586f7a419f014dc60be76b7a6f94f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb82d530e7beb05bac20af46fd2f3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7101beb36f434347d1e275301c99bb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87448e09eaa816e50ae92d111d5ded6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7ea03277f8408fabe5b327cc34838f.png)
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2卷引用:辽宁省沈阳市铁西区2023-2024学年八年级上学期期末数学试题
3 . 因式分解:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde2701714f3afaf3fd551df8c33d768.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a41a377a84d0109e97bcaba0bc31ea.png)
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4 . (1)分解因式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3ac8c32255b4c3b296a2523001c15b.png)
(2)分解因式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3ac8c32255b4c3b296a2523001c15b.png)
(2)分解因式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3d15e288144ab60256efb75cae438a.png)
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2卷引用:甘肃省白银市景泰县2023-2024学年八年级下学期期中数学试题
5 . 因式分解:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e60019fd235fe6bd12b958db1add3f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40a9b4cb7c2f26c12cc2435a41c2167.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a210a687bd220d4877e6f1fb7a7184.png)
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6 . 分解因式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbbe3b5476d75565d83fce393de52f7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbbe3b5476d75565d83fce393de52f7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cc70346b70559233b7e6631ad00a79.png)
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7 . 分解因式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c6f94e7c4180473bbebe81e2de031.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e80f6e6cac6a1a37bd5419cdd425cee.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c6f94e7c4180473bbebe81e2de031.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e80f6e6cac6a1a37bd5419cdd425cee.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c8b6c0a95ee8e43c106b84d673f2c1.png)
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8 . 如图,在
中,对角线
,
相交于点
,添加下列条件不能判定
是菱形的只有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 在四边形
中,
,
,
,
,
,
分别是
,
,
,
的中点,则四边形
的形状是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de966c316db1013defc56372fcf814e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
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10 . 某超市购进甲、乙两种水果的进价分别为10 元/
、15元/
,乙种水果在销售
后采取降价销售,这个价格保持到销售完这批水果.这两种水果的销售额y(单位:元)与销售量x(单位:
)之间的函数关系如图所示.
(2)求乙种水果销售额y(单位:元)与销售量 x(单位:
)之间的函数解析式,并写出自变量 x的取值范围;
(3)当两种水果销售额相同,且销售额大于0时,请直接写出销售这两种水果的利润和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203c1495547616b4cd1801df073418bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
(2)求乙种水果销售额y(单位:元)与销售量 x(单位:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
(3)当两种水果销售额相同,且销售额大于0时,请直接写出销售这两种水果的利润和.
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4卷引用:专题04 一次函数(知识串讲+热考题型+真题训练)-2023-2024学年八年级数学下学期期中期末考点归纳满分攻略讲练(人教版)
(已下线)专题04 一次函数(知识串讲+热考题型+真题训练)-2023-2024学年八年级数学下学期期中期末考点归纳满分攻略讲练(人教版)2024年河南省许昌市中考二模数学试题2024年河南省焦作市五城区中考联考数学试题2024年河南省南阳市镇平县中考模拟考试三模数学试题