如图,点
在反比例函数
的图象上,过点
分别作
轴,
轴的垂线段
,
,若矩形
的面积为8,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.8 | B.![]() | C.4 | D.![]() |
23-24九年级下·云南·阶段练习 查看更多[3]
云南省2024年九年级下学期月考数学试题2024年云南省昆明第八中学初中学业水平考试数学模拟(二)试题(已下线)第01讲 反比例函数、定义图像与性质(知识解读+达标检测)-2023-2024学年八年级数学下册《知识解读·题型专练》(苏科版)
更新时间:2024-04-16 15:15:40
|
【知识点】 根据图形面积求比例系数(解析式)解读
相似题推荐
单选题
|
容易
(0.94)
【推荐1】如图,在平面直角坐标系中,点
在反比例函数
(
为常数,
)的图象上,
轴,垂足为
,连接
,
的是面积为6,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/502923dd-8202-4d44-9190-8ae71253d863.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/502923dd-8202-4d44-9190-8ae71253d863.png?resizew=144)
A.3 | B.6 | C.9 | D.12 |
您最近一年使用:0次
单选题
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容易
(0.94)
【推荐2】如图,正方形ABCD的相邻两个顶点C、D分别在x轴、y轴上,且满足BD∥x轴,反比例函数y=
(x<0)的图象经过正方形的中心E,若正方形的面积为8,则该反比例函数的解析式为( )
![](https://img.xkw.com/dksih/QBM/2022/1/16/2895749745369088/2919247579873280/STEM/90dff797-213a-4dd3-a865-ebb00f0f623b.png?resizew=203)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/2022/1/16/2895749745369088/2919247579873280/STEM/90dff797-213a-4dd3-a865-ebb00f0f623b.png?resizew=203)
A.y=![]() | B.y=-![]() | C.y=![]() | D.y=-![]() |
您最近一年使用:0次