满分5 >
高中数学试题 >
经过(3,0),(0,4)两点的直线方程是( ) A.3x+4y-12=0 B....
经过(3,0),(0,4)两点的直线方程是( )
A.3x+4y-12=0
B.3x-4y+12=0
C.4x-3y+12=0
D.4x+3y-12=0
考点分析:
相关试题推荐
抛物线x
2=2y的焦点坐标是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770008_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770008_ST/1.png)
C.(1,0)
D.(0,1)
查看答案
若椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770007_ST/0.png)
和圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770007_ST/1.png)
为椭圆的半焦距),有四个不同的交点,则椭圆的离心率e的取值范围是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770007_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770007_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770007_ST/4.png)
D.
查看答案
双曲线4x
2+ty
2-4t=0的虚轴长等于( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770006_ST/0.png)
B.-2t
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230426625777019/SYS201311012304266257770006_ST/1.png)
D.4
查看答案
函数f(x)=xlnx在点(1,f(1))处的切线方程是( )
A.y=2x-1
B.y=2
C.y=
D.y=x-1
查看答案
过点(0,2)与抛物线y
2=8x只有一个公共点的直线有( )
A.无数多条
B.3条
C.2条
D.1条
查看答案