在平面直角坐标系
中,已知点
的坐标分别为
,
,且点
在反比例函数
的图象上,以点
为位似中心,在
的上方将线段
放大为原来的
倍得到线段
.
(1)
的值为________ ;
(2)若线段
与反比例函数
的图象总有交点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58d99ee4f2d7d8071c2e93eeadf9734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9f1c6beba1c6584f0ffd6bfb812b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e8cbd42f7394b94819991a87e02730.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f9b255a8da2b914a84a848e0ec499d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2023-12-23 18:47:34
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【推荐1】如图,在直角坐标系中,正方形的中心在原点O,且正方形的一组对边与x轴平行,点P(3a,a)是反比例函数
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【推荐1】已知:如图,E(﹣6,2),F(﹣2,﹣2),以原点O为位似中心,相似比1:2,把△EFO在y右侧缩小,则点E的对应点E1的坐标为_____ .
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