已知:平面直角坐标系中,点
的坐标为
,点
关于原点对称的点
恰好落在反比例函数
的图象上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a6bfc0db98794026938ca2069d9cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.6 | B.![]() | C.4 | D.9 |
更新时间:2024-01-31 17:11:54
|
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【推荐1】在平面直角坐标系
中,反比例函数
在第一象限的图象如图所示,下列数值中,可能是k值的为( )
![](https://img.xkw.com/dksih/QBM/2023/3/12/3192794599145472/3284535297228800/STEM/45ebf3e7a08548b39cb8875a900d9644.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/2023/3/12/3192794599145472/3284535297228800/STEM/45ebf3e7a08548b39cb8875a900d9644.png?resizew=193)
A.![]() | B.2 | C.4 | D.6 |
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【推荐2】若反比例函数
的图象过点
,则它的图象经过( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a3619ccbcf65312754a970647014e5.png)
A.第一象限 | B.第四象限 | C.第一、三象限 | D.第二、四象限 |
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【推荐1】在平面直角坐标系中,P点关于原点的对称点为P1(﹣3,﹣
),P点关于x轴的对称点为P2(a,b),则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca5d0c28ce92b76e6cb8b46a12837eb.png)
A.2 | B.﹣2 | C.4 | D.﹣4 |
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【推荐2】以平行四边形
对角线的交点
为原点,平行于
边的直线为
轴,建立如图所示的平面直角坐标系.若
点坐标为
,则
点坐标为( )
![](https://img.xkw.com/dksih/QBM/2021/6/23/2749384744304640/2752057641672704/STEM/c01b8a52-fe3a-4f05-98c5-fe6952fe2b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f48e1c656aace41360467f254e359d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/6/23/2749384744304640/2752057641672704/STEM/c01b8a52-fe3a-4f05-98c5-fe6952fe2b9e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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