![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/73afa6d1-bf81-4b46-983d-b0158cdc26bf.png?resizew=186)
(1)请在方格纸上建立平面直角坐标系,使得A、B两点的坐标分别为A(2,-1)、B(1,-4).并求出C点的坐标;
(2)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)观察
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
更新时间:2022-06-14 10:56:00
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解答题-问答题
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【推荐1】如图是某市部分地区的示意图,请你建立适当的直角坐标系,并写出图中各地点相应的坐标(图中小正方形的边长均为1).
![](https://img.xkw.com/dksih/QBM/2018/6/16/1968546185920512/1972898341814272/STEM/a5b65dec61a149bb90823ee2aba9741a.png?resizew=139)
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解答题-作图题
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【推荐2】在平面直角坐标系中,正方形
的边
可表示为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf3c64c18057ebda826be1ab154e5b8.png)
,边
可表示为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb34ff2628d84f03d350a8b91f814719.png)
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/6f4f984f-611f-432b-a44f-8a72099e3153.png?resizew=189)
(1)在平面直角坐标系中画出正方形
;
(2)直接写出正方形各顶点的坐标;
(3)求正方形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf3c64c18057ebda826be1ab154e5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004441d1109fefd9e6187a67235a24b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb34ff2628d84f03d350a8b91f814719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a940000e9273a99fa6671691ee8d1b09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/6f4f984f-611f-432b-a44f-8a72099e3153.png?resizew=189)
(1)在平面直角坐标系中画出正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)直接写出正方形各顶点的坐标;
(3)求正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-作图题
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【推荐1】如图,在
的正方形网格中,格线的交点称为格点,以格点为顶点的三角形称为格点三角形,如图三个图中的三角形为格点三角形,在图中分别画出与已知三角形成轴对称(对称轴不相同)的格点三角形.
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/6739f39f-c1cc-4751-8852-44ec0677805f.png?resizew=288)
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解答题-作图题
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【推荐1】如图,已知
,
,
是平面直角坐标系上三点.
(1)请画出
关于
轴对称的
;
(2)请画出
绕点
逆时针旋转
得到
;
(3)在(1)中,若
上有一点
,请直接写出对应点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd38be3992cdaa6537028511b2ea9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bbd15ddf2ac840cc08ad8492a0164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9446ea29ddb6650a5a0cf7ac6f17d80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/29/682ae47f-e78a-40ec-9ef6-aa7b22687d3c.png?resizew=300)
(1)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(3)在(1)中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
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解答题-作图题
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名校
【推荐2】如图,在平面直角坐标系中,
的顶点都在正方形网格的格点上,且
,
,
.
(1)在图中画出
关于x轴对称的
;
(2)在图中画出
关于y轴对称的
,并写出点C的对应点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17ff5e0a917684d41cd41e0ae303308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1282cc43ebf4b459832fec04d805989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f56120e30c41aa77a37eb4d46f6390.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/c65bdc8d-4272-4862-ba95-a8882bffddfb.png?resizew=253)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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解答题-问答题
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较易
(0.85)
【推荐1】如图,
是三角形
经过某种变换得到的图形,点
与点
,点
与点
,点
与点
分别是对应点,观察点与点坐标之间的关系,解答下面的问题.
![](https://img.xkw.com/dksih/QBM/2019/9/19/2294070140895232/2294129027096576/STEM/3213c24c742446f79ae3229d3c2a7809.png?resizew=262)
(1)写出点
与点
,点
与点
,点
与点
的坐标,并说明这些对应点的坐标有何特征.
(2)若点
与点
也是通过上述变换得到的对应点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2019/9/19/2294070140895232/2294129027096576/STEM/3213c24c742446f79ae3229d3c2a7809.png?resizew=262)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e97cf0b84b52807c39823235e406ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9963ea1ba9f821d07ac54955af0dfa25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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