已知:如图,把
向上平移
个单位长度,再向右平移
个单位长度,得到
;
(1)写出
的坐标;
(2)求出
的面积;
(3)点
在
轴上,且
与
的面积相等,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7310211fcb027421880aa21d57802594.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c92653ea1caaab6770625f9e95a90c1.png)
(2)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dbede0ae298e66ca5af37df8754aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/90c1d89c-6f3e-4803-90f3-ced50923aefd.png?resizew=302)
19-20八年级上·安徽六安·期末 查看更多[4]
安徽省六安市裕安区2019-2020学年八年级上学期期末数学试题(已下线)【南昌新东方】2020年3月江西南昌育华七年级下学期月考数学试卷 004(已下线)【万唯原创】2017年安徽省中考数学-猜题卷-猜题卷5湖北省黄石市西塞山区2020-2021学年七年级下学期期末数学试题
更新时间:2020-02-28 18:59:45
|
【知识点】 由平移方式确定点的坐标解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,
的三个顶点坐标分别为
,
,
.将点
,
分别向下平移3个单位长度得到点
,
.
(1)点
,
的坐标分别为______,_______;
(2)求证:点
,
,
在一条直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d521c9bf37ce287bc559b016d79e1101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308b897381a855f47297d462ac490ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffabaeaf60b2cf8aba534b001d27e0b.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/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/2b58bc14-3f9d-453a-a81a-97086428aa92.png?resizew=150)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
(2)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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适中
(0.65)
名校
【推荐2】对于平面直角坐标系
中的图形G和图形G上的任意点
,给出如下定义:将点
平移到
称为将点P进行“t型平移”,点P'称为将点P进行“t型平移”的对应点;将图形G上的所有点进行“t型平移”称为将图形G进行“t型平移”.
例如,将点
平移到
称为将点P进行“1型平移”,将点
平移到
称为将点P进行“
型平移”.
已知点
和点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/80f4aeb1-127c-42b2-8192-8e2288b2dda5.jpg?resizew=250)
(1)将点
进行“1型平移”后的对应点
的坐标为 .
(2)①将线段
进行“
型平移”后得到线段
,点
,
,
中,在线段
上的点是 .
②若线段
进行“t型平移”后与坐标轴有公共点,则t的取值范围是 .
(3)已知点
,点M是线段
上的一个动点,将点B进行“t型平移”后得到的对应点为
,当t的取值范围是 时,
的最小值保持不变,最小值是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40166bbdea337d7e3a8d2e02da87823.png)
例如,将点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc7ed566a80208afdc9225c4ae697a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21428d84c0d70d4e79e2a11f10ec7ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7716690d1a6a53a3841e547b1cf05bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c7b4d4f1f3bddf5c3cf0fe83e46216.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/80f4aeb1-127c-42b2-8192-8e2288b2dda5.jpg?resizew=250)
(1)将点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7716690d1a6a53a3841e547b1cf05bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(2)①将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df9a9eba518ea026907ee14e7b1eeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fdc487afcd3cb0541d27628394ac65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2580c77f101a1eb2fd9d84ad11f8990d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
②若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c629c8502923e0cf23e79ec9830814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01744c223aa34daf78ae4d76c07f0b1.png)
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