满分5 >
初中数学试题 >
(2002•浙江)已知m为方程x2+x-6=0的根,那么对于一次函数y=mx+m...
(2002•浙江)已知m为方程x2+x-6=0的根,那么对于一次函数y=mx+m:①图象一定经过一、二、三象限;②图象一定经过二、三、四象限;③图象一定经过二、三象限;④图象一定经过点(-1,0);⑤y一定随着x的增大而增大;⑥y一定随着x的增大而减小.以上六个判断中,正确结论的序号是 (多填、少填均不得分)
考点分析:
相关试题推荐
(2002•宁德)如图,是一次函数y=kx+b的图象,观察图象可知,y随x的增大而
.
查看答案
(2002•海南)已知二次函数y=a(x+1)
2+c的图象如图所示,则函数y=ax+c的图象只可能是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375484979/SYS201310212325233754849000_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375484979/SYS201310212325233754849000_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375484979/SYS201310212325233754849000_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375484979/SYS201310212325233754849000_ST/images3.png)
D.
查看答案
(2003•岳阳)已知一次函数y=ax+c与y=ax
2+bx+c,它们在同一坐标系内的大致图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642029_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642029_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642029_ST/images2.png)
D.
查看答案
(2002•常州)已知一次函数y=k
1x+b,y随x的增大而减小,且b>0,反比例函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642028_ST/0.png)
中的k
2与k
1值相等,则它们在同一坐标系中的图象只可能是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642028_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642028_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642028_ST/images3.png)
D.
查看答案
(2002•山西)若m<-1,则下列函数①y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232523375364286/SYS201310212325233753642027_ST/0.png)
(x>0);②y=-mx+1;③y=mx;④y=(m+1)x中,y随x增大而增大的是( )
A.①②
B.②③
C.①③
D.③④
查看答案