Straight Line Question 402
Question: The line $ lx+my+n=0 $ will be parallel to x-axis, if
Options:
A) $ l=m=0 $
B) $ m=n=0 $
C) $ l=n=0 $
D) $ l=0 $
Correct Answer: DShow Answer
Answer:
Solution:
$ \Rightarrow y=A $ , so l must be zero.