满分5 >
高中数学试题 >
直线x-y+1=0交圆M:x2+y2=1于A,B两点,则线段AB的垂直平分线的方...
直线x-y+1=0交圆M:x2+y2=1于A,B两点,则线段AB的垂直平分线的方程为 .
考点分析:
相关试题推荐
对于任意实数a、b,当b>0时,定义运算
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101007_ST/0.png)
,则满足方程2*x=(-2)*x的实数x所在的区间为( )
A.(0,1)
B.(1,2)
C.(2,3)
D.(3,4)
查看答案
在区间[0,π]上随机取一个数x,则事件“
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101006_ST/0.png)
”发生的概率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101006_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101006_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101006_ST/3.png)
D.
查看答案
如图,三棱柱的侧棱长为2,底面是边长为1的正三角形,AA
1⊥面A
1B
1C
1,正视图是长为2,宽为1的矩形,则该三棱柱的侧视图(或左视图)的面积为( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101005_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101005_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101005_ST/1.png)
C.1
D.
查看答案
若平面向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101004_ST/0.png)
与向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101004_ST/1.png)
=(2,1)共线反向,且|
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101004_ST/2.png)
|=2
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101004_ST/3.png)
,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101004_ST/4.png)
=( )
A.(4,2)
B.(-4,-2)
C.(6,-3)
D.(4,2)或(-4,-2)
查看答案
函数y=log
a(x-1)(0<a<1)的图象大致是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101003_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101003_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231737205210159/SYS201311012317372052101003_ST/images2.png)
D.
查看答案