如图,已知反比例函数
=
的图象与一次函数
=
+
的图象交于两点A(-2,1)、B(
,-2).
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/c0b194943d38429390de0369379f55f1.png)
(1)求反比例函数和一次函数的解析式;
(2)若一次函数
=
+
的图象与
轴交于点C,求△AOC(O为坐标原点)的面积.
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/eb564798896442b5852d1bbb311ba6f6.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/2fc5dcfde3fc45468852b9c75b8b9e17.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/1c18b34c3ebe45c4b3603eb764c0d51e.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/91de786e560845f8b7da4307b848a47e.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/6329ed9965b740609f8f9b918dc66a59.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/54db331b78b7456493c2f4a1ed969414.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/c0b194943d38429390de0369379f55f1.png)
(1)求反比例函数和一次函数的解析式;
(2)若一次函数
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/1c18b34c3ebe45c4b3603eb764c0d51e.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/91de786e560845f8b7da4307b848a47e.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/6329ed9965b740609f8f9b918dc66a59.png)
![](https://img.xkw.com/dksih/QBM/2013/6/5/1573661397000192/1573661403291648/STEM/728b663a60764f18ad030ea75c3e1a56.png)
更新时间:2016-12-05 18:05:13
|
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【推荐1】如图,抛物线
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/89192675-5b72-46df-a907-7ee48e908463.png?resizew=172)
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【推荐2】如图,在平面直角坐标系中,直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9316f8a58f503d0ea3879b8be30eaae.png)
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【推荐1】如图,已知一次函数
的图象与反比例函数
的图象交于
、
两点,与
轴交于点
,且点
的坐标为
.
(1)求一次函数和反比例函数的表达式及点
的坐标.
(2)若
,请直接写出
的取值范围.
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f8a1e9e8d8f9ccefb1a79c861cb4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7dcad1de6f80f81dab267b17340ea33.png)
(1)求一次函数和反比例函数的表达式及点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f254ef9ba9a3c323bb06cc750461d9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://img.xkw.com/dksih/QBM/2021/11/1/2841801022242816/2844002012749824/STEM/aa9e5f84cc2444118c118d48b9cdbcb4.png?resizew=161)
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【推荐2】平面直角坐标系
中,将直线
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的图象交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/6992a547-e7b0-4985-868c-5385971a5c90.png?resizew=251)
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②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877fcc28b6817ec039428cfbf2025d7a.png)
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【推荐1】如图,反比例函数y=
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(1)求反比例函数与n的值;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/28/725ff44b-4afb-466f-a296-a259e350285f.png?resizew=287)
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【推荐2】如图,在平面直角坐标系中,一次函数
的图象与反比例函数
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(1)求该反比例函数和一次函数的解析式;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
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(1)求该反比例函数和一次函数的解析式;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6629fbe2eef7def1afa88acbbabdb10.png)
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