满分5 >
初中数学试题 >
若A(-3,y1),B(-2,y2),C(-1,y3)三点都在函数的图象上,则y...
若A(-3,y
1),B(-2,y
2),C(-1,y
3)三点都在函数
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587010_ST/0.png)
的图象上,则y
1,y
2,y
3的大小关系是( )
A.y
1>y
2>y
3B.y
1<y
2<y
3C.y
1=y
2=y
3D.y
1<y
3<y
2
考点分析:
相关试题推荐
在同一平面直角坐标系中,一次函数y=ax+b和二次函数y=ax
2+bx的图象可能为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587009_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587009_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587009_ST/images2.png)
D.
查看答案
已知一次函数y=kx+b的图象如图所示,当x<1时,y的取值范围是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587008_ST/images0.png)
A.-2<y<0
B.-4<y<0
C.y<-2
D.y<-4
查看答案
如图,正方形OABC,ADEF的顶点A、D、C在坐标轴上,点F在AB上,点B、E在函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/0.png)
(x>0)的图象上,则点E的坐标是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/images1.png)
A.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/2.png)
)
B.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/3.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/4.png)
)
C.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/5.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/6.png)
)
D.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/7.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587007_ST/8.png)
)
查看答案
当45°<θ<90°时,下列各式中正确的是( )
A.tanθ>cosθ>sinθ
B.sinθ>cosθ>tanθ
C.tanθ>sinθ>cosθ
D.cosθ>sinθ>tanθ
查看答案
如图,若正△A
1B
1C
1内接于正△ABC的内切圆,则
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587005_ST/0.png)
的值为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587005_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587005_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587005_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101185413140358749/SYS201311011854131403587005_ST/3.png)
D.
查看答案