解方程(组)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d852085d3f60e30c5f96898f092450.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d852085d3f60e30c5f96898f092450.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6547bb4c4e798cf5ceff7a8fe1d0ce07.png)
更新时间:2023-06-14 16:49:00
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【推荐2】解方程:
(1)4x﹣6=3(5﹣x);
(2)
=1.
(1)4x﹣6=3(5﹣x);
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e109bb15d80ddeddf978b9bab1bb06.png)
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【推荐2】如图,在平面直角坐标系中,点
,
,
,其中m、n满足二元一次方程组
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/d54948f4-5403-4c84-aeb1-15aa10892e2d.png?resizew=501)
(1)求点B和点C的坐标;
(2)点P从点
出发,沿y轴正方向运动,连接
,设
的长度为t,
的面积为S,求S与t的关系式,并直接写出t的取值范围;
(3)在(2)的条件下,
是
的中线,点P从点E出发的同时,点Q从点B出发沿x轴正方向运动,速度是点P速度的三倍,连接
,若以点P、O、Q为顶点的三角形与
全等,求此时点Q的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739103e7904353fc339841f65b680c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021a45dc5c6e1b371ee887c1cbe2e9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a56dd9a35c06b3ee334e83602fefc82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2717f273588f49f57f2b26e613b89a68.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/d54948f4-5403-4c84-aeb1-15aa10892e2d.png?resizew=501)
(1)求点B和点C的坐标;
(2)点P从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c402364c07eb95b1c5b8baf28513d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5b7ba12696a28104d8e7d70f85a917.png)
(3)在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372629a8666de1e9bac3e7daadcac7b6.png)
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