Posted by Donna on .
I need toIs the following pair of lines parallel or perpendicular? Prove your answer.
2y – x = 2
y + 2x = 4
can you explain how to break this down ...

Algebra 
hw,
did you not understand my answer before?

Algebra 
Donna,
This is my first asking I did not do this before?

Algebra 
Ms. Sue,
Here's a link to your post asking the same question.
http://www.jiskha.com/display.cgi?id=1297213622