如图,矩形ABCD的顶点A在反比例函数y=
(
)的图象上,顶点B、C在
轴上,对角线DB的延长线交
轴于点E,连接CE,若△BCE的面积是6,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2020/4/17/2443503242903552/2444843163205632/STEM/6134a0c4e2de4a488ca2cb0ac9b52fbc.png?resizew=131)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.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/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2020/4/17/2443503242903552/2444843163205632/STEM/6134a0c4e2de4a488ca2cb0ac9b52fbc.png?resizew=131)
A.6 | B.12 | C.9 | D.18 |
更新时间:2020-04-19 14:29:03
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【推荐1】如图,在△ABC中,∠ABC=90°,BC边在x轴正半轴上,中线BD的反向延长线交y轴负半轴于点E.双曲线y=
一条分支经过点A,若S△BEC=4,则k等于( )
![](https://img.xkw.com/dksih/QBM/2019/6/14/2225503151816704/2227551566618624/STEM/8305f161b9ff4ec5addeffdc84708ae4.png?resizew=99)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/2019/6/14/2225503151816704/2227551566618624/STEM/8305f161b9ff4ec5addeffdc84708ae4.png?resizew=99)
A.4 | B.8 | C.12 | D.16 |
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【推荐2】如图,在反比例函数y=
(m为常数,且m>0)第一象限内图象上取一点P1,连接OP1,过P1作P1A1⊥x轴,垂足为A1;在OA1的延长线上截取A1B1=OA1,过B1作OP1的平行线交反比例函数的图象于P2,过P2作P2A2⊥x轴,垂足为A2;在OA2的延长线上截取A2B2=B1A2,连接P1B1,P2B2,则
的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/c7983ede-bdb1-480d-b1e8-c6af4b412010.png?resizew=327)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd5d565e9317addea324c3f0ca848fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/c7983ede-bdb1-480d-b1e8-c6af4b412010.png?resizew=327)
A.![]() | B.![]() | C.(![]() | D.![]() |
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【推荐1】如图,△ABC和△DEF都是等腰直角三角形,∠ACB=∠EFD=90°,△DEF的顶点E与△ABC的斜边AB的中点重合.将△DEF绕点E旋转,旋转过程中,线段AC与线段EF相交于点Q,射线ED与射线BC相交于点P,线段ED与AC交于点M.若AQ=4,PB=18,则MQ的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/652f78ab-e056-48b3-8c63-57ebae163c77.png?resizew=203)
A.![]() | B.5 | C.4 | D.![]() |
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【推荐2】如图,把4个形状大小均相同的矩形摆放成正方形
,连接
并延长交
于点
,连接
.若
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d3a1a1af28f00b45b9daae083c13eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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