满分5 >
初中数学试题 >
如图,在矩形ABCD中,AB=4,BC=3,点F在DC边上运动,连接AF,过点B...
如图,在矩形ABCD中,AB=4,BC=3,点F在DC边上运动,连接AF,过点B作BE⊥AF于E,设BE=y,AF=x,则能反映y与x之间函数关系的大致图象是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108007_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108007_ST/images4.png)
考点分析:
相关试题推荐
有一只小狗,在如图所示的方砖上走来走去,最终停在深色方砖上的概率是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108006_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108006_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108006_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108006_ST/2.png)
D.
查看答案
把9a
3-ab
2因式分解正确的是( )
A.a(9a+b)(9a-b)
B.a(9a-b)
2C.a(3a+b)(3a-b)
D.(3a
2-ab)
2
查看答案
一组数据:34,35,36,35,36,37,37,36,37,37,这组数据的平均数和众数分别是( )
A.36,37
B.37,36
C.36.5,37
D.35,37
查看答案
函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108003_ST/0.png)
中自变量的取值范围是( )
A.x≠0
B.x≠2
C.x≠-2
D.x=2
查看答案
如图,BC∥DE,∠1=105°,∠AED=65°,则∠A的大小是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022160612576210812/SYS201310221606125762108002_ST/images0.png)
A.25°
B.35°
C.40°
D.60°
查看答案