如图,点B是反比例函数上一点,矩形OABC的周长是20,正方形BCGH和正方形OCDF的面积之和为68,则反比例函数的解析式是_____ .
![](https://img.xkw.com/dksih/QBM/2016/5/3/1574201049825280/1574201056239616/STEM/66daff29b4b5458da567d360ff95458a.png?resizew=194)
12-13九年级下·江苏盐城·阶段练习 查看更多[5]
2013届江苏省盐城市东台许河镇九年级下学期第一次月考数学试卷2013届江苏省盐城市九年级下学期第一次月考数学试卷2016届江苏省无锡市前洲中学九年级3月阶段测试数学试卷山东省枣庄市薛城区2019-2020学年九年级上学期期末数学试题(已下线)专题16 反比例函数考前必刷真题精选【压轴题】-2022-2023学年八年级数学下学期期中期末考点大串讲(苏科版)
更新时间:2016-12-06 12:23:09
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【推荐1】如图,矩形OACB的顶点C在反比例函数y=
(x>0,k1>0)的图象上,交反比例函数y=
(x>0,k2>0)图象于点D、E,EF⊥AO于点F,连接DF,若CB=3CE,S四边形DCEF=2,则k1=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d77e4ec542fc19c2f918dcba6b25b78.png)
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【推荐2】如图,已知双曲线
(
)经过
斜边
的中点
,与直角边
相交于点
,点
在
轴上.若
的面积为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
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