如图,直线y=-x+a与直线y=x+b的交于点(2,-1)则方程组
的解是 ( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/f4185855-b6ad-49b1-aef7-1fc49f6cbde8.png?resizew=146)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b18ad053a6ed0c0420a9caec9f8c6f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/f4185855-b6ad-49b1-aef7-1fc49f6cbde8.png?resizew=146)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-06-25 22:08:43
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【知识点】 两直线的交点与二元一次方程组的解解读
相似题推荐
单选题
|
容易
(0.94)
【推荐1】如果直线
与
交点坐标是
,则
是下面哪个方程组的解( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c6530fa1662b3306667c465d41bfdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48934fc87ea424eb321d89807eee5ae7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】已知直线
:
与直线
:
交于点
,则方程组
的解是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5324645d81b339fa25ccb2951f77e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535923a697abcba2a04109e52560ef1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fcc4fb6e007a72ca738f31418beabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c014f3c4b2f6a411845178b8a00e07.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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