1 . 分解因式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f81ac1ba0b5f49dc7ae6f1e97a982e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f81ac1ba0b5f49dc7ae6f1e97a982e.png)
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2 . 有3个正方形如图所示放置,阴影部分的面积依次记为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5d226450493c2710775806fb9e2363.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/11/3e003f24-20a6-4da3-ab1a-e8c7cb3e51ae.png?resizew=116)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 如图,
是
的内心,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94782b6e296d60ba0a7057ae52fd64d3.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71f7024113c89237224da643e755b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94782b6e296d60ba0a7057ae52fd64d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/c6e25275-1438-48da-82db-1e331a4243cd.png?resizew=151)
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4 . 在实数范围内分解因式: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27200d8cd0dd8008b153f242744fa321.png)
______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27200d8cd0dd8008b153f242744fa321.png)
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5 . 关于的
方程
的实数解为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66737284736f213139858795dff6422d.png)
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6 . 已知点
在第二象限,则m的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297d9e6d402d7d0ce46a5e1f26472b39.png)
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7 . 若一元二次方程
有两个正根,求
的取值范围__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd76c58bb2b7ad3f774107f966a0de23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-11-22更新
|
834次组卷
|
4卷引用:安徽省池州市第一中学2020-2021学年高一上学期期中数学试题
名校
8 . 因式分解:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a88299ae948670872902b6d9f14dc9.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a88299ae948670872902b6d9f14dc9.png)
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9 . 如图,在等腰梯形
中,
,对角线
于点
,
,
,垂足分别为
、
,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/2020/11/7/2588054244679680/2592877909073920/STEM/75755a13628a49cb9ed3b274b80b92ae.png?resizew=210)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.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/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c826d790b1efb02bbd2acfc3b26e8e.png)
![](https://img.xkw.com/dksih/QBM/2020/11/7/2588054244679680/2592877909073920/STEM/75755a13628a49cb9ed3b274b80b92ae.png?resizew=210)
A.9 | B.10 |
C.11 | D.12 |
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10 . 若
是方程
的两个不相等的实数根
(1)求实数
的取值范围;
(2)是否存在实数
,使得
成立?若存在,求k的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476ff457567c8ab30ed73e919fd0a547.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3666fa28e6847f17c725bcb66401a35d.png)
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2020-11-06更新
|
170次组卷
|
2卷引用:安徽省池州市第一中学2020-2021学年高一上学期10月月考数学试题