一次函数
在平面直角坐标系内的图像如图所示,则
和
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/3719bd62-45b9-4a2b-9bf8-281a72ff9c90.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/3719bd62-45b9-4a2b-9bf8-281a72ff9c90.png?resizew=157)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
19-20八年级上·浙江金华·阶段练习 查看更多[3]
更新时间:2020-12-13 08:56:04
|
【知识点】 已知函数经过的象限求参数范围解读
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单选题
|
适中
(0.65)
【推荐1】如图,一次函数
的图象与
轴的交点坐标为
,则下列说法:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
随
的增大而减小;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
,
;
关于
,
的二元一次方程
必有一个解为
,
;
当
时,
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4177d013ffc5a7fbe1a5f09ac230dda5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,直线y=kx+b,与y轴交于点(0,3)与x轴交于点(a,0)当-2 ≤ a < 0时,k的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/b787e9fb-2a5a-48d4-bf10-0a61c3b54b32.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/b787e9fb-2a5a-48d4-bf10-0a61c3b54b32.png?resizew=177)
A.-1≤k<0 | B.1≤k≤3 | C.k≥3 | D.k≥![]() |
您最近一年使用:0次