如图,已知点
,点B是
轴正半轴上的一动点,以
为边作等腰直角三角形
,使点
在第一象限,
,设点
的横坐标为
,点
的纵坐标为
,则
与
的函数关系式是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/9958bf10-d45b-4c43-aad6-7ecfa3352b59.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8e9ec412ea0355e4e5cd06c60e5fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/9958bf10-d45b-4c43-aad6-7ecfa3352b59.png?resizew=192)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2022-08-31 22:06:21
|
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【推荐1】已知函数
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【推荐2】已知直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4236f8562bc9caef6ef91560cc0d9a8a.png)
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【推荐1】如图,点O是边长为
的等边△ABC的内心,将△OBC绕点O逆时针旋转30°得到△OB1C1,B1C1交BC于点D,B1C1交AC于点E,则DE的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/e1248aa2-4154-46e8-870a-b83dda9ed802.png?resizew=152)
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【推荐2】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d777d15cd733338ecfd0ea63819f62c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/b3a2ccee-936f-40b5-98ce-656f60c12482.png?resizew=177)
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