满分5 >
初中数学试题 >
已知反比例函数y=的图象在第二、四象限,则a的取值范围是( ) A.a≤2 B....
已知反比例函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162008_ST/0.png)
的图象在第二、四象限,则a的取值范围是( )
A.a≤2
B.a≥2
C.a<2
D.a>2
考点分析:
相关试题推荐
如图,BD是⊙O的直径,∠CBD=30°,则∠A的度数为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162007_ST/images0.png)
A.30°
B.45°
C.60°
D.75°
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162006_ST/images0.png)
如图所示几何体的左视图是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162006_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162006_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162006_ST/images3.png)
D.
查看答案
一组数据-1,0,2,3,x,其中这组数据的中位数是2,众数是3,那么这组数据的平均数是( )
A.2
B.1.6
C.1
D.1.4
查看答案
在正方形网格中,△ABC位置如图所示,则sin∠ABC的值为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162004_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162004_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162004_ST/2.png)
D.
查看答案
如图,把一块直角三角板的直角顶点放在直尺的一边上,如果∠1=32°,那么∠2的度数是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193815316116208/SYS201311011938153161162003_ST/images0.png)
A.32°
B.58°
C.68°
D.60°
查看答案