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1 . 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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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 . 若一次函数
的图象经过点
,则k的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04616beeb37300095ee88d973c094b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b85e56104dd18b4a0c78e05face504.png)
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4 . 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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5 . 如果m,n是一元二次方程
的两个实数根,那么多项式
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdeac8aa167350627b5d6d9424ae6f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eef415428dc666e716d29b2e8bbb0db.png)
A.6 | B.10 | C.14 | D.16 |
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2021-09-06更新
|
142次组卷
|
2卷引用:安徽省亳州市蒙城县第一中学2021-2022学年高一上学期开学考试数学试题
6 . 如图,在△ABC中,
,以AB为直径的圆交BC于点D,连接AD,点P是AD上一点,过点C作
,延长BP交AC于E,交CF于F,若
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9985eaef9e31b243d5aaf89b71f66075.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5239ba27ddab40a89c0c450f321065e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d8a838b6822cce51517d96fc145dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9985eaef9e31b243d5aaf89b71f66075.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/31/3488b290-11ea-4028-ac98-e798cd82a72a.png?resizew=110)
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7 . 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)
您最近一年使用:0次
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
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8 . 已知整数a、b满足
,
,则a的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d42fe9cad6f7f32d7bafa6f669bb067.png)
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9 . 若a与
互为倒数,则a等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
A.![]() | B.![]() | C.3 | D.![]() |
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10 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be71cb09b992a42ff5b4c0d6754816a2.png)
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