posted by Donna .
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 ...
you need to get it into slope intercept form--y=mx+b
(m being the slope) to figure out whether they are parallel (having equal slopes) or perpendicular (slopes are negative reciprocals)
-2 and 1/2 are negative reciprocals making these two line perpendicular
Thank you I did not see the answer. Thank you so much