SOLUTION: Are the following lines parallel, perpendicular, or neither? L1 with equation x – 2y = 10 L2 with equation 2x + y = 2

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Question 49641: Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 2y = 10
L2 with equation 2x + y = 2
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
LINES ARE PERPENDICULAR X-2Y=10 OR 2Y=X-10 OR Y=1/2X-5
2X+Y=2 OR Y=-2X+2 THUS THE TWO SLOPES ARE NEGATIVE RECIPRICALS OF EACH OTHER THUS THEY ARE PERPENDICULAR.