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Question 1191481:  Determine if the line 8x-y=2 and the line containing the two points (1, 3) and (2, -4) are parallel, perpendicular or neither. 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! Determine if the line 8x-y=2 and the line containing the two points (1, 3) and (2, -4) are parallel, perpendicular or neither. 
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Find the slope of the 2 lines. 
If they're equal, they're parallel. 
If the product of the 2 is -1, they're perpendicular. 
o/w, neither. 
 
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