已知点
的坐标为
,设点
关于
轴对称点为
,点
关于原点的对称点为
,点
绕点
顺时针旋转
得点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/c56fbe0a-b0a7-4959-a382-005f8e0b4342.png?resizew=210)
(1)点
的坐标是_____;点
的坐标是_____;点
的坐标是_____;
(2)在平面直角坐标系中分别画出点
、
、
、
;
(3)顺次连接点
、
、
、
,那么四边形
的面积是________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c2731af0e4190b14edb41c11c8f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/c56fbe0a-b0a7-4959-a382-005f8e0b4342.png?resizew=210)
(1)点
![](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/8455657dde27aabe6adb7b188e031c11.png)
(2)在平面直角坐标系中分别画出点
![](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/8455657dde27aabe6adb7b188e031c11.png)
(3)顺次连接点
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
2023七年级下·上海·专题练习 查看更多[1]
(已下线)核心考点06平面直角坐标系-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(沪教版)
更新时间:2023-05-01 14:27:19
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,方格纸中的每个小方格都是边长为1个单位长度的正方形,
的顶点都在格点上,建立平面直角坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/4df9a8ae-60ae-4f87-a297-230f33304959.png?resizew=211)
(1)点
的坐标为______,点
的坐标为______,点
的坐标为______.
(2)以原点
为位似中心,将
放大,使变换后得到的
与
对应边的比为
,请在网格内画出
.
(3)求出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/4df9a8ae-60ae-4f87-a297-230f33304959.png?resizew=211)
(1)点
![](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)
(2)以原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](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/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(3)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
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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,点A、B的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/b613a635-a191-4ff2-85fb-f8e32e6877ef.png?resizew=147)
(1)请画出符合题意的平面直角坐标系;
(2)点C的坐标为______;
(3)画
,使
与
关于y轴对称;
(4)
的面积为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e091823f31e2b3432eb2c747746e8d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/b613a635-a191-4ff2-85fb-f8e32e6877ef.png?resizew=147)
(1)请画出符合题意的平面直角坐标系;
(2)点C的坐标为______;
(3)画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-问答题
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【推荐1】如图,解答下列问题:
(1)写出A,B,C三点的坐标.
(2)若
各顶点的横坐标不变,纵坐标都乘
,请你在同一坐标系中描出对应的点
,并依次连接这三个点,所得的
与
有怎样的位置关系?
(3)求
的面积.
(4)已知P为x轴上一点,若
的面积是
的面积的3倍,请求出此时点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/5c49c0f4-6780-4997-b73f-cb6bc90e3343.png?resizew=312)
(1)写出A,B,C三点的坐标.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d100e7830d2e9d27bdccb181c79b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(4)已知P为x轴上一点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d42e2a9e1e8506430e48bbc0272c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-问答题
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适中
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【推荐2】如图,在平面直角坐标系中,
的三个顶点坐标分别为
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/a1565683-7fa2-4bb5-addd-3873226f7c80.png?resizew=210)
(1)画出
关干y轴对称的图形
;
(2)若点
与点B关于x轴对称,求a,b的值;
(3)连接
,
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce3f1477f7326e6f2319c56f28c4a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50cda44186bf89ea3232d78c05a8e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026cb1a017f0c8d9c14da4d98cfdc922.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/a1565683-7fa2-4bb5-addd-3873226f7c80.png?resizew=210)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e649ef57a55dbf870e742b938aa1ce0c.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61620a272dada8d4b9a9fab6379dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a02f2934a771b11ef1b1b5b68776c8.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图:在平面直角坐标系中,网格中每一个小正方形的边长为一个单位长度,已知△ABC.
(1)以O为旋转中心,将△ABC顺时针旋转90°,得△A1B1C1,画出 △A1B1C1,,则点C1的坐标是 ;
(2)求出线段AC扫过的面积.
(1)以O为旋转中心,将△ABC顺时针旋转90°,得△A1B1C1,画出 △A1B1C1,,则点C1的坐标是 ;
(2)求出线段AC扫过的面积.
![](https://img.xkw.com/dksih/QBM/2017/12/27/1847455164874752/1852581904752640/STEM/8fd0769e0b5d46cf9f49769d96ece727.png?resizew=187)
您最近一年使用:0次
解答题-作图题
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名校
【推荐2】如图,
的顶点坐标分别为
,
,
.将
绕原点O逆时针旋转90°的图形得到
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/c080c07b-4854-4e7f-94b8-ee4d57b7ada4.png?resizew=239)
(1)画出
的图形,并写出
的坐标.
(2)若点
在边
上,直接写出点P旋转后对应点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb49c1fd097c5aafc0c9080449f5fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f68f688a0af020ed2aa105a1bcdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d63f0b05d54522c263ab394064093b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb49c1fd097c5aafc0c9080449f5fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac65d6901a083de93119b314fef1a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/c080c07b-4854-4e7f-94b8-ee4d57b7ada4.png?resizew=239)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac65d6901a083de93119b314fef1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e23b74ed51912d236727c0ee5e3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
您最近一年使用:0次
解答题-作图题
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适中
(0.65)
解题方法
【推荐1】阅读下面的材料:
小明在研究中心对称问题时发现:
如图1,当点
为旋转中心时,点
绕着点
旋转180°得到
点,点
再绕着点
旋转180°得到
点,这时点
与点
重合.
如图2,当点
、
为旋转中心时,点
绕着点
旋转180°得到
点,点
绕着点
旋转180°得到
点,点
绕着点
旋转180°得到
点,点
绕着点
旋转180°得到
点,小明发现P、
两点关于点
中心对称.
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/152df6d0-e584-46de-b250-f0bcb3bcdb5b.png)
(1)请在图2中画出点
、
, 小明在证明P、
两点关于点
中心对称时,除了说明P、
、
三点共线之外,还需证明;
(2)如图3,在平面直角坐标系xOy中,当
、
、
为旋转中心时,点
绕着点
旋转180°得到
点;点
绕着点
旋转180°得到
点;点
绕着点
旋转180°得到
点;点
绕着点
旋转180°得到点
. 继续如此操作若干次得到点
,则点
的坐标为(),点
的坐为.
小明在研究中心对称问题时发现:
如图1,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/df1fc7f475b944baa7a342c1a2b3201d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/31176db72e2a45c18bbc7049d41b9c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
如图2,当点
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/df1fc7f475b944baa7a342c1a2b3201d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/117c05b26dba475a99d03d956e1d60fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/df1fc7f475b944baa7a342c1a2b3201d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/31176db72e2a45c18bbc7049d41b9c13.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/31176db72e2a45c18bbc7049d41b9c13.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/117c05b26dba475a99d03d956e1d60fc.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/2160b7ed111543088f6417933dc0452a.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/2160b7ed111543088f6417933dc0452a.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/df1fc7f475b944baa7a342c1a2b3201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/117c05b26dba475a99d03d956e1d60fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/152df6d0-e584-46de-b250-f0bcb3bcdb5b.png)
(1)请在图2中画出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee50575e3ebd56c4f46dd0bbf8e55d3.png)
(2)如图3,在平面直角坐标系xOy中,当
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/d645d2d2bb634751b7dfbf8f49f6e689.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/f83a4b37569e4d57a0c00f930d563a65.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/2e1d32275883440a90ee832af53ee88e.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/3a15d4a58de6431eadeebd477e1423e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
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![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/3e47ac823dd941e3b2f9221e58b01c92.png)
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![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/ce26ab10caf0495babaf5f0c19e64e2a.png)
![](https://img.xkw.com/dksih/QBM/2013/12/17/1573690451714048/1573690457260032/STEM/2160b7ed111543088f6417933dc0452a.png)
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您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知直线
过点
,
,将直线
绕坐标原点旋转
后得到直线
,点
的对应点为
,点
的对应点为
.
(1)写出点
和
的坐标;
(2)求直线
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdc3ca1ef473a3801e749fa6cc8ead9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d58ca2946d0f4f9898ef054273cc48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0b77fdaede073b179d81df1019338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdc3ca1ef473a3801e749fa6cc8ead9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c01768cb4ced5092f9b06d5c3d63cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ddd106a56c2519766f131b244c62b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c2bb7be2e9410a16502268fd4c67be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ae876133c40bf163352c4cfb4a94db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14c6709d2a04863cacdee618b20613e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e1abac2c301863b08dba67bbee4b46.png)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ae876133c40bf163352c4cfb4a94db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e1abac2c301863b08dba67bbee4b46.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ddd106a56c2519766f131b244c62b3.png)
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