如图,已知反比例函数
(k为常数,
)的图象经过点A,过A点作
轴,垂足为B.若
的面积为4,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24624dffd30b66a5e4de57362b32b2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
更新时间:2024-04-12 01:06:59
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【知识点】 根据图形面积求比例系数(解析式)解读
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【推荐1】如图,点
是反比例函数
图象上的一点,
垂直于
轴,垂足为
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的面积为6.若点
也在此函数的图象上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/13/474647b2-711f-45a8-9d32-86e33eaa6ded.png?resizew=224)
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【推荐2】如图,已知正比例函数
与反比例函数
图象相交于A,B两点,矩形
的两个顶点P,Q均在y轴上,且
,则k的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412de93a9a3a2dfbb727b793453c4196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d4ab45e8e8f0084d8d90a4c1233d86.png)
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