单选题 适中0.65 引用4 组卷916
如图l1:y=x+3与l2:y=ax+b相交于点P(m,4),则关于x的不等式x+3≤ax+b的解为( )
![](https://img.xkw.com/dksih/QBM/2016/7/28/1574221923147776/1574221929332736/STEM/74089864074c49159509683c125c0dc3.png)
![](https://img.xkw.com/dksih/QBM/2016/7/28/1574221923147776/1574221929332736/STEM/74089864074c49159509683c125c0dc3.png)
A.x≥4 | B.x<m | C.x≥m | D.x≤1 |
15-16八年级下·江苏南通·期中
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如图,经过点B(﹣2,0)的直线y=kx+b与直线y=4x+2相交于点A(﹣1,﹣2),则不等式4x+2<kx+b<0的解集为( )
![](https://img.xkw.com/dksih/QBM/2019/9/25/2298243544449024/2302566102999040/STEM/f2da023ea87e49aabf7c81da79e35640.png?resizew=102)
![](https://img.xkw.com/dksih/QBM/2019/9/25/2298243544449024/2302566102999040/STEM/f2da023ea87e49aabf7c81da79e35640.png?resizew=102)
A.-1 <x<0 | B.-2<x<0 |
C.-2<x<-1 | D.-1<x<- |
如图,直线y=kx+b与y=mx+n分别交x轴于点A(﹣1,0),B(4,0),则函数y=(kx+b)(mx+n)中,则不等式
的解集为( )
![](https://img.xkw.com/dksih/QBM/2019/7/8/2242416615612416/2243712976756736/STEM/5a29a65375fc41a9810060315188eb66.png?resizew=181)
![](https://img.xkw.com/dksih/QBM/2019/7/8/2242416615612416/2243712976756736/STEM/5a29a65375fc41a9810060315188eb66.png?resizew=181)
A.x>2 | B.0<x<4 |
C.﹣1<x<4 | D.x<﹣1 或 x>4 |
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