如图所示,在平面直角坐标系中,已知A(0,﹣2),B(1,2),C(5,1).
(1)在平面直角坐标系中画出
ABC;
(2)若点D与点C关于x轴对称,则点D的坐标为______,
BCD的面积为_____.
(1)在平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(2)若点D与点C关于x轴对称,则点D的坐标为______,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/2021/11/9/2847577973489664/2851718947405824/STEM/1a5531fc-5b6f-4546-bb5e-10bf92a388df.png?resizew=328)
更新时间:2021-11-15 10:59:57
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解答题-问答题
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【推荐1】在如图所示的平面直角坐标系中描出
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【推荐2】如图是某学校的平面示意图,图中小方格都是边长为1个单位长度的正方形,若艺术楼的坐标为
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(2)
______,
______.
(3)若食堂的坐标为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5029587c26acdd3b6d1b000614f53785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972b0fd3198f023a9662d8f68f6308b4.png)
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【推荐1】在如图所示的平面直角坐标系中表示下面各点:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/e4fae1dd-e166-424f-9d74-85716784909a.png?resizew=218)
(1)在平面直角坐标系中表示出上面各点;
(2)点
到原点
的距离是________;
(3)将点
向
轴的负方向平移6个单位长度,它将与点________重合;
(4)连接
,则
所在的直线与
轴有什么位置关系?
(5)点
到
轴、
轴的距离分别是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee29a9ccfaed38148d92ec673664348e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/e4fae1dd-e166-424f-9d74-85716784909a.png?resizew=218)
(1)在平面直角坐标系中表示出上面各点;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(3)将点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(5)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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名校
【推荐2】如图所示,若
,按要求回答下列问题:
(2)将
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(3)求
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(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
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(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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