1 . 如图,抛物线
与x轴交于A、B两点,与y轴交于C点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/4e36a0d6-bfd2-41ab-bfb4-d107498b456e.png?resizew=115)
(1)求抛物线的解析式;
(2)在第二象限内的抛物线上确定一点P,当四边形PBAC的面积最大,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4474a2abc0e638b50e82de1c76ad02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6541748f10d7ed5f755f456536dbc829.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/4e36a0d6-bfd2-41ab-bfb4-d107498b456e.png?resizew=115)
(1)求抛物线的解析式;
(2)在第二象限内的抛物线上确定一点P,当四边形PBAC的面积最大,求点P的坐标.
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2 . (1)
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5aa666627d6068c3c6021d5b25c9035.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1663c6324b3a5ed5a0b16e086910e311.png)
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解题方法
3 . (1)解不等式:
;
(2)已知函数
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8ccf6a9e79c1ebea306543999c98e8.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a256debe347b1c109a5e187cfe10ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
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解题方法
4 . 我国南宋时期数学家秦九韶曾提出利用三角形的三边求面积的公式,此公式与古希腊几何学家海伦提出的公式如出一辙,即三角形的三边长分别为
,
,
,记
,则其面积
.这个公式也被称为海伦
秦九韶公式.若
,
,
则此三角形的面积为____________ ;若
,
,则此三角形面积的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f2d50ca5cc415bf6721faf2221d626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c667f76da3658f200fff8eadb24b8e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc8da8e91489c4c4735a423a4c3778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd04c6b9cc47521108979a622c2b7c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
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5 . 如图,在正方形
内有一折线段,其中
,
并且
,
,
,则正方形与其外接圆之间形成的阴影部分的面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce726bceb02452bb4e5ed6b00fa94e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8110f7184b98a7e288482b367eacf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb6823a329628699619a39cde927510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e4ceabf0daf448d295489a489a6868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0e5e1c3b432a134ec1565b0caa7d11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/2218b145-5874-4d43-a742-a352a0a1116b.png?resizew=123)
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6 . 观察等式:
已知按一定规律排列的一组数:
,若
,用含
的代数式表示这组数的和是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8a4e1928bc49127dedef27d90bb1d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006ca18e194b93fe4cedb05d60fc8a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77da057e6f0389228bd2eb3fae0f63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 在平面直角坐标系中,若点
在第二象限,则整数m的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848adcafb618fd28bc67ceb1ae65dbfb.png)
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8 . 阅读理解:如果一个正整数m能表示为两个正整数a,b的平方和,即
,那么称m为广义勾股数.则下面的四个说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4e1bd7af466b721ba3be9b2e6b8c5d.png)
A.7不是广义勾股数 |
B.13是广义勾股数 |
C.两个广义勾股数的和是广义勾股数 |
D.两个广义勾股数的积是广义勾股数. |
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9 . 如图,等腰直角三角形
位于第一象限,
,直角顶点
在直线
上,且
点的横坐标为1,两条直角边
分别平行于
轴、
轴,若函数
与
有交点,则
的可能取值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/93c03589-da8b-4c7d-a1d3-ccb1a9279837.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.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/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/93c03589-da8b-4c7d-a1d3-ccb1a9279837.png?resizew=191)
A.![]() | B.1 | C.4 | D.5 |
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10 . 对于反比例函数
(
为常数)下列说法正确的选项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a060bd2831ef7c5ad03ecbebd1a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.函数图象位于第一、三象限 |
B.函数值![]() ![]() |
C.若![]() ![]() |
D.![]() ![]() ![]() ![]() ![]() |
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2022-11-24更新
|
52次组卷
|
2卷引用:湖北省十堰市华中师范大学附属武当中学2021-2022学年高一上学期入学考试数学试题