如图,在平面直角坐标系中,过点A(4,5)分别作x轴、y轴的平行线,交直线y=-x+6于B、C两点.若函数
的图象与△ABC的边有公共点,则k的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2768fc2573104485c85cf60cab5dac.png)
![](https://img.xkw.com/dksih/QBM/2019/3/26/2169082755899392/2173715778641920/STEM/794ec9f4cc7341cdbed9a9ab10c40357.png?resizew=137)
更新时间:2017-10-19 11:56:34
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【知识点】 反比例函数系数k的几何意义
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【推荐1】如图,在平面直角坐标系中,一条直线与反比例函数
(x>0)的图象交于两点A、B,与x轴交于点C,且点B是AC的中点,分别过两点A、B作x轴的平行线,与反比例函数
(x>0)的图象交于两点D、E,连接DE,则四边形ABED的面积为____ .
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【推荐2】如图,在平面直角坐标系中,过原点的直线与反比例函数
交于点
,与反比例函数
交于点
,过点
作
轴的垂线,过点
作
轴的垂线,两直线交于点
,若
的面积为
,则
的值为_______ .
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