如图所示,在平面直角坐标系中,点
关于
的对称点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9059420851d219dba2189975f8eb5178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17861339a3796ae59308b87a6e41ed29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·广东梅州·一模 查看更多[1]
更新时间:2024-05-13 13:17:08
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【推荐1】如图,直线a⊥b,若以平行于a的直线为x轴,以平行于b的直线为y轴,建立平面直角坐标系,若A(﹣3,2),B(2,﹣3),则坐标系的原点最有可能是( )
![](https://img.xkw.com/dksih/QBM/2022/2/13/2915415797858304/2924277924159488/STEM/ca0b4ca1-ae59-4aaa-8f74-f8287d4f285b.png?resizew=183)
![](https://img.xkw.com/dksih/QBM/2022/2/13/2915415797858304/2924277924159488/STEM/ca0b4ca1-ae59-4aaa-8f74-f8287d4f285b.png?resizew=183)
A.O1 | B.O2 | C.O3 | D.O4 |
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【推荐2】如图,在平面直角坐标系中,
的斜边
在
轴上(点
在点
左侧),点
在
轴正半轴上.若
,
,则点
的坐标为( )
![](https://img.xkw.com/dksih/QBM/2021/2/25/2665806582972416/2673459214073856/STEM/4e4e0f9c-f6d0-45e7-b32a-6a89c60ad8ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25936291abb6432ed5a710ebf0ea195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0763b031b7e6b6d87ce3554ac482d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/2/25/2665806582972416/2673459214073856/STEM/4e4e0f9c-f6d0-45e7-b32a-6a89c60ad8ac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】已知点
与点
关于
轴对称,则
在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f182520b2c3fecb40bedbf4f38117961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7892ac75552d0894e08bc6953478252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb536d6ebc0fb831f9505cec8a83b68d.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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【推荐2】如图,平面直角坐标系中,分别以点
,
为圆心,以1、2为半径作
,
,
,
分别是
,
上的动点,
为
轴上的动点,则
的最小值等于( )
![](https://img.xkw.com/dksih/QBM/2020/12/22/2625935377965056/2630927647784960/STEM/5db60c3e-29ca-43f0-b546-2fd2e02854c6.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acf45a5f66394502b70bf1dd68ee40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232f941eb8c4345cf49137746a2461b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.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/c2bb1548ddc0e5536a35b1bd78c4e7cd.png)
![](https://img.xkw.com/dksih/QBM/2020/12/22/2625935377965056/2630927647784960/STEM/5db60c3e-29ca-43f0-b546-2fd2e02854c6.png?resizew=169)
A.5 | B.10 | C.![]() | D.![]() |
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