满分5 >
初中数学试题 >
(2000•吉林)如果a>0,b<0,那么点P(a,b)在第 象限.
(2000•吉林)如果a>0,b<0,那么点P(a,b)在第 象限.
考点分析:
相关试题推荐
(2000•兰州)若
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471008_ST/0.png)
,则点P(x,y)在
象限.
查看答案
(2000•天津)直角坐标系中,第四象限内的点M到横轴的距离为28,到纵轴的距离为6,则M点的坐标是
.
查看答案
(2000•朝阳区)圆心都在y轴上的两圆相交于A、B两点,如果A的坐标为(2,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471006_ST/0.png)
),那么B的坐标是( )
A.(2,-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471006_ST/1.png)
)
B.(-2,-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471006_ST/2.png)
)
C.(-2,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471006_ST/3.png)
)
D.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471006_ST/4.png)
,2)
查看答案
(2000•山西)如图,在直角坐标系中,点A、B的坐标分别是(3,0)、(0,4),Rt△ABO内心的坐标是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471005_ST/images0.png)
A.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471005_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471005_ST/1.png)
)
B.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471005_ST/2.png)
,2)
C.(1,1)
D.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232711396047172/SYS201310212327113960471005_ST/3.png)
,1)
查看答案
(2000•兰州)平行于y轴的直线上任意两点坐标的关系是( )
A.纵坐标相等
B.横坐标相等
C.纵坐标和横坐标都相等
D.都不相等
查看答案