名校
1 . 如图,反比例函数
的图像上的一点
在第一象限内,点B在
轴的正半轴上,且
,过点B作
轴,与线段
的延长线相交于点
,与反比例函数图像相交于点
.
(1)求反比例函数的解析式;
(2)求点
的坐标;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b2cc0d2f6d3eee9a33db83e0c0830d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa50346237f69307a6f08037562e67e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b45db8dd8768994af51206565379fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/08e848af-fb35-46f1-b8fa-c703ea80aff8.png?resizew=188)
(1)求反比例函数的解析式;
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f02e624b84c5fa5d479d24a3ed99a.png)
您最近一年使用:0次
名校
2 . 在平面直角坐标系中,矩形ABCD的顶点坐标为A(0,0),B(6,0),C(6,8),D(0,8),AC,BD交于点E.
(1)如图①,双曲线
过点E,直接写出点E的坐标和双曲线的表达式;
(2)如图②,双曲线
与BC,CD分别交于点M,N,点C关于MN的对称点C′在y轴上.求证△CMN∽△CBD,并求点C′的坐标;
(3)如图③,将矩形ABCD向右平移m(m>0)个单位长度,使过点E的双曲线
与AD交于点P.当△AEP为等腰三角形时,求m的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/3/26c9b272-7efa-4562-be8f-b225e0b2b036.png?resizew=563)
(1)如图①,双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54cec401b13d837b0cc8040d15a7a37f.png)
(2)如图②,双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
(3)如图③,将矩形ABCD向右平移m(m>0)个单位长度,使过点E的双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93933c4d3febb46582d36dbea3288738.png)
您最近一年使用:0次
2022-03-10更新
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6卷引用:甘肃省兰州市教育局第四片区2021-2022学年九年级上学期期末考试数学试题