题型:单选题
难度:0.65
引用次数:1045
题号:16039574
如图,在平面直角坐标系中,直线l1:
与直线l2:
交于点A(
,b),则关于x,y的方程组
的解为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/d4db6117-6f4e-4849-b5b5-b90da1ab9e9e.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb9eb57ca36db386ffafeda213599c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0f1072b4d847baa299dc6656257519.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/d4db6117-6f4e-4849-b5b5-b90da1ab9e9e.png?resizew=215)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-06-11 16:54:32
|
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A.图象一定经过(-2,-1) | B.与坐标轴围成的三角形面积为4 |
C.向右平移1个单位后的解析式是y=-2x+4 | D.x每增加1,y的值减小2 |
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【推荐2】在平面直角坐标系中,一次函数
,当
时,对于x的每一个值,正比例函数
的值都小于一次函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887d13887d7e80f5acd551b54561bdf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b56115fbcb938ed880a346c711a45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887d13887d7e80f5acd551b54561bdf5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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适中
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名校
【推荐1】在同一平面直角坐标系中,一次函数
与
(
)的图象如图所示,小星根据图象得到如下结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/e5013841-275e-49ff-a38b-9e7a6e74da15.png?resizew=313)
①在一次函数
的图象中,
的值随着
值的增大而减小;
②方程组
的解为
;
③方程
的解为
;
④当
时,
.
其中结论正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3952eb081fad22ae0e66040002a949.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/e5013841-275e-49ff-a38b-9e7a6e74da15.png?resizew=313)
①在一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2935aecd81f2e9fd77b9760935e9c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756caefc01ed90c36429eb5c40534a23.png)
③方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ddf68448b62a8da683ac4da36e6279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ffc12c0f0e4be8074472571c9079cd.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64008d44506eae0cd8d309adc6b98b1.png)
其中结论正确的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】已知直线
与
的图象如图,则方程组
的解为( )
![](https://img.xkw.com/dksih/QBM/2020/5/4/2455342830329856/2456090523172865/STEM/6af362c3461b43f5ab2e0c34f99500cc.png?resizew=253)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c007727cee2657182e0c2d88fc68e85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb5ce381b1cc98d06d0e2b860bc9b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343f199caef3a2e88ee11a74fe146d0f.png)
![](https://img.xkw.com/dksih/QBM/2020/5/4/2455342830329856/2456090523172865/STEM/6af362c3461b43f5ab2e0c34f99500cc.png?resizew=253)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次