Pair Of Straight Lines Question 149
Question: One of the lines represented by the equation $ x^{2}+6xy=0 $ is
Options:
A) Parallel to x-axis
B) Parallel to y-axis
C) x-axis
D) y-axis
Show Answer
Answer:
Correct Answer: D
Solution:
$ x^{2}+6xy=0\Rightarrow x(x+6y)=0 $
$ \Rightarrow x=0 $ and $ x+6y=0 $ are two straight lines.
Hence, $ x=0 $ represents $ y- $ axis.