求斜率为，且与直线2x-y+4=0的交点在x轴上的直线的方程.

答案

解析：

由得x=-2,

故l与x轴的交点是(-2，0)，由点斜式得y= (x+2)，即x-3y+2=0.

相关题目

今年是中国共产党成立90周年。红军长征是我们党领

今年是中国共产党成立90周年。红军长征是我们党领导全国人民进行革命最艰苦的一段历程，中央红军长征路线大致为：从中央革命根据地→湘

When I was a child, I often dreamed of the time when I could leave home and esc

When I was a child, I often dreamed of the time when I could leave home and escape to the city. We lived on a farm and, in the winter especially, we were quite cut off from the outside world. As so

我国领土最南端位于（） A.曾母暗沙 �

我国领土最南端位于（） A.曾母暗沙 B.黑龙江主航道中心线上 C.帕米尔高原 D.黑龙江与乌苏里江主

Students are not permitted _______ noises at class. A.make B.maki

Students are not permitted _______ noises at class. A.make B.making C.to make D.made

Today both English language and Internet have brought the whole world right in y

Today both English language and Internet have brought the whole world right in your drawing room. Now you can do whatever you want to without leaving the comfort of your home. So English has become a

问题提出平面内不在同一条直线上的三点确定一个

问题提出平面内不在同一条直线上的三点确定一个圆．那么平面内的四点(任意三点均不在同一直线上），能否在同一个圆呢？初步思考

“冰冻三尺，非一日之寒”，发展中国家经济落后，人民生

“冰冻三尺，非一日之寒”，发展中国家经济落后，人民生活贫困，也是有历史根源的，它们大多是( ) A.从古到今文化不如发达国家，久而久之，

(一）文言文阅读（19分）樊叔略，陈留人也，父欢，仕魏

(一）文言文阅读（19分）樊叔略，陈留人也，父欢，仕魏为南兖州刺史、阿阳侯。属高氏专权，将谋兴复之计，为高氏所诛。叔略时在髫龀①，遂被

求斜率为，且与直线2x-y+4=0的交点在x轴上的直线的方程.

答案

相关题目

最新题目