如图,在平面直角坐标系
中,点
,
,
.
(1)在图中画出
关于
轴对称的
,并直接写出点
和点
的坐标;
(2)在
轴上画出点
,使得
的值最小(保留作图痕迹).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99ce0fdd3a34df8d5e913b7b9f6f3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf8f5d8be251bf2848d6d10aa0340f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/854c6dee-9cab-439b-b6b6-128533630f64.png?resizew=179)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7dc2fe5d920e74d0941b8c1db9ec04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
20-21八年级上·北京·期中 查看更多[7]
北京市陈经纶中学2020-2021学年八年级上学期期中数学试卷山东省滨州市阳信县阳信县第一实验学校2022-2023学年八年级上学期期中数学试题山东省德州市德城区第九中学2022-2023学年八年级上学期期中数学试题山西省阳泉市2022-2023学年八年级上学期期末数学试题山东省济宁市梁山县2023-2024学年八年级上学期期中数学试题(已下线)八年级数学期末模拟卷(安徽专用,沪科版八上)-学易金卷:2023-2024学年初中上学期期末模拟考试黑龙江省齐齐哈尔市3校联考2023-2024学年八年级上学期期末数学试题
更新时间:2023-07-19 17:22:07
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解答题-作图题
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名校
【推荐1】如图,边长为1的正方形网格中,△ABC的三个顶点A、B、C都在格点上.
(1)画出△ABC关于x轴的对称图形△DEF(其中点A、B、C的对称点分别是D、E、F),则点D坐标为 .
(2)在y轴上找一点P,使得PA+PC最短,请画出点P所在的位置,并写出点P的坐标.
(1)画出△ABC关于x轴的对称图形△DEF(其中点A、B、C的对称点分别是D、E、F),则点D坐标为 .
(2)在y轴上找一点P,使得PA+PC最短,请画出点P所在的位置,并写出点P的坐标.
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您最近一年使用:0次
解答题-作图题
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较易
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【推荐2】如图,
三个顶点的坐标分别是
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.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/c19f3c1a-9307-4c19-87b7-1648e5cc5712.png?resizew=234)
(1)请画出
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(2)求
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(3)在x轴上求一点P,使
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(1)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在x轴上求一点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
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解答题-作图题
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较易
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【推荐1】如图,在平面直角坐标系中,
的顶点坐标分别是
,
,
.
(1)画出
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;
(2)画出将
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;
(3)画出将
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(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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(2)画出将
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(3)画出将
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您最近一年使用:0次
解答题-作图题
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较易
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名校
【推荐2】如图,在平面直角坐标系中,点A,B,C的坐标分别是
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(1)画出
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(其中
,
,
分别是A,B,C的对应点);
(2)直接写出
,
,
三点的坐标;
(3)在y轴上找一点P,使得
的值最小,并求出最小值是多少?(要求:不写画法,保留画图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee0769bf407598f81409a8643790727.png)
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(1)画出
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(2)直接写出
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(3)在y轴上找一点P,使得
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解答题-作图题
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【推荐1】如图,在平面直角坐标系中,O是坐标原点,A,B坐标分别为(2,0),(﹣1,3).
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(2)请用直尺在方格中画出△O′A′B′,要求:△O′A′B′和△OAB关于点(﹣1,0)成中心对称.(保留作图痕迹,不写作法)
(1)直接写出点B关于y轴的对称点的坐标: .
(2)请用直尺在方格中画出△O′A′B′,要求:△O′A′B′和△OAB关于点(﹣1,0)成中心对称.(保留作图痕迹,不写作法)
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解答题-作图题
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较易
(0.85)
【推荐2】如图,在平面直角坐标系
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的三个顶点的坐标分别是
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,
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(2)写出点
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(3)在第一象限内作出一点
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(1)在图中作出
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(2)写出点
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(3)在第一象限内作出一点
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