如图,一次函数y=kx+b与反比例函数
的图象相交于A(2,4)、B(-4,n)两点.
![](https://img.xkw.com/dksih/QBM/2020/2/18/2401714243174400/2402435504603137/STEM/f51d3bf116cb4dbb97a4a2be698b7f08.png?resizew=171)
(1)分别求出一次函数与反比例函数的表达式;
(2)根据所给条件,请直接写出不等式kx+b>
的解集 ;
(3)过点B作BC⊥x轴,垂足为点C,连接AC,求S△ABC.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://img.xkw.com/dksih/QBM/2020/2/18/2401714243174400/2402435504603137/STEM/f51d3bf116cb4dbb97a4a2be698b7f08.png?resizew=171)
(1)分别求出一次函数与反比例函数的表达式;
(2)根据所给条件,请直接写出不等式kx+b>
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
(3)过点B作BC⊥x轴,垂足为点C,连接AC,求S△ABC.
更新时间:2020-02-19 16:30:27
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【知识点】 反比例函数与一次函数的综合解读
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【推荐2】如图,一次函数
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