在平面直角坐标系
中,点A、B、C的坐标分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/c16ebc07-171c-4668-9f4a-53ca8f901db0.png?resizew=195)
(1)作出
关于x轴对称的
,直接写出
点的坐标:
(______,______).
(2)写出
的面积,
______.
(3)在y轴上找一点D,使得
的值最小,则D点的坐标:(______,______).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a039664a10e166d948b0a0382eb5f902.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/c16ebc07-171c-4668-9f4a-53ca8f901db0.png?resizew=195)
(1)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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acd3ee01d9f843a8579ffb0b7d9d82.png)
(3)在y轴上找一点D,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe4733fe78dc9a383c82f161cbc0184.png)
更新时间:2023-02-27 23:32:17
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在直角坐标平面内,△ABC的三个顶点的坐标分别为A(0,3),B(3,4),C(2,2).
![](https://img.xkw.com/dksih/QBM/2022/2/25/2924032045580288/2938057229697024/STEM/48743ba4-5f3e-4f34-b910-5cae205a7958.png?resizew=245)
(1)S△ABC= ;
(2)画出△ABC关于x轴的对称图形△A1B1C1,再画出△A1B1C1关于y轴的对称图形△A2B2C2.
![](https://img.xkw.com/dksih/QBM/2022/2/25/2924032045580288/2938057229697024/STEM/48743ba4-5f3e-4f34-b910-5cae205a7958.png?resizew=245)
(1)S△ABC= ;
(2)画出△ABC关于x轴的对称图形△A1B1C1,再画出△A1B1C1关于y轴的对称图形△A2B2C2.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】阅读下面材料,解答下列问题.
一般地,设平面内任意两点
,
,这两点之间的距离![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3529a4e06442e4f0c6c491fbd10a9df3.png)
当两点所在的直线在坐标轴上或平行于坐标轴或垂直于坐标轴时,两点之间的距离公式可简化为
或
.
(1)已知点
,
,求
,
两点之间的距离.
(2)已知点
,
所在的直线平行于
轴,点
的纵坐标为
,
,
两点之间的距离为
,求点
的纵坐标.
(3)已知
各顶点的坐标分别为
,
,
,请判断
的形状,并说明理由.
一般地,设平面内任意两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61083b2910840325de174d9ce19c0396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33567616f96bebde276ed62ebfac62c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3529a4e06442e4f0c6c491fbd10a9df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd143647d647e35af9e7162137273e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0761e63cb3a4113d50f6bf808cdc031.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dc6b44862255813b098f1adb816aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf89395a947ceb049c605dc7fbb20c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知点
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.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/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77145146a45be298b64fd563e263096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526e504e86027ce855f64772f4a63bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358a39ac2aee2c62f4d548e0f1cacdc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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,在所给的平面直角坐标系中,正方形网格单位长度是1,
的顶点都在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/20d22ef7-c65a-4890-ae83-1d1b30fb4e04.png?resizew=279)
(1)已知
,作出
关于y轴对称的
,并写出点
的坐标;
(2)在y轴上作出点P,使
最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/20d22ef7-c65a-4890-ae83-1d1b30fb4e04.png?resizew=279)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e17e1588db08d5565b13a6512fd8a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156d51dcd94cf7c47d3397c112439c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5702dd71c5958a648bc180f39048e6c.png)
(2)在y轴上作出点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51a8d10345f567e0f2daf18529d42f0.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在平面直角坐标系中,反比例函数y
的图像的一支位于第一象限.
(1)求m的取值范围;
(2)若点A在该反比例函数的图像上,且点A与点B(2,﹣3)关于x轴对称,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e527952f8e0eb138ecc8709002b608b.png)
(1)求m的取值范围;
(2)若点A在该反比例函数的图像上,且点A与点B(2,﹣3)关于x轴对称,求m的值.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】
在平面直角坐标系中的位置如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/cc067dfe-b6bd-4bc6-b7e3-764453c25324.png?resizew=243)
(1)画出与
关于y轴对称的
;
(2)在x轴上作点P,使得点P到A,B两点的距离之和最小.(不写作法,保留作图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/cc067dfe-b6bd-4bc6-b7e3-764453c25324.png?resizew=243)
(1)画出与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)在x轴上作点P,使得点P到A,B两点的距离之和最小.(不写作法,保留作图痕迹)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,抛物线
经过点
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21df2ff21377374dae306ce5895a46db.png)
![](https://img.xkw.com/dksih/QBM/2022/10/7/3082736150044672/3119463253794816/STEM/00f7058b8468447b9d0195ca80ad5e8c.png?resizew=223)
(1)求抛物线的解析式;
(2)若点P为抛物线对称轴上一点,求
周长取得最小值时点P的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6cff3d91d53041cc01e865e5bf51df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fa51cf2cfb364431cfba5d138ed84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c40363a7a1e4d68af8e5a84e5adb5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21df2ff21377374dae306ce5895a46db.png)
![](https://img.xkw.com/dksih/QBM/2022/10/7/3082736150044672/3119463253794816/STEM/00f7058b8468447b9d0195ca80ad5e8c.png?resizew=223)
(1)求抛物线的解析式;
(2)若点P为抛物线对称轴上一点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f409b28f7cb97726646e79709ad25190.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,已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/8/49ffa84f-4dc9-4169-a65d-ebba20e9e54b.png?resizew=304)
(1)画出
,使
和
关于直线
成轴对称;
(2)画出
,使
和
关于直线
成轴对称;
(3)
与
轴对称.(填“成”或“不成”)
(4)
的面积= .(设网格图中每个小正方形的边长为1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/8/49ffa84f-4dc9-4169-a65d-ebba20e9e54b.png?resizew=304)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.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/411461db15ee8086332c531e086c40c7.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图所示,由每一个边长均为1的小正方形构成的
正方形网格中,点A,B,C,M,N均在格点上(小正方形的顶点为格点),利用网格画图.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/0d1bf3d7-8240-4f9a-b611-a4d94abca6c9.png?resizew=256)
(1)画出
关于直线MN对称的
;
(2)
的面积为______.
(3)在线段MN上找一点P,使得
.(保留必要的画图痕迹,并标出点P位置)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a96e9c2e2a15130d1d56a1d0e16b72.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/0d1bf3d7-8240-4f9a-b611-a4d94abca6c9.png?resizew=256)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在线段MN上找一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1800aa0eb327d3b4236c4a35f0fb5a4f.png)
您最近一年使用:0次