SOLUTION: Line 1 is through (9,2) and (3,-8) and Line 2 is through (-3,5) and (5,-1) Are they perpendicular parallel or neither. Thanks in advance.

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Question 91350: Line 1 is through (9,2) and (3,-8) and Line 2 is through (-3,5) and (5,-1)
Are they perpendicular parallel or neither. Thanks in advance.
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Find the slope through (9,2) and (3,-8)
Solved by pluggable solver: Finding the slope


Slope of the line through the points (9, 2) and (3, -8)
















Answer: Slope is





Find the slope through (-3,5) and (5,-1)
Solved by pluggable solver: Finding the slope


Slope of the line through the points (-3, 5) and (5, -1)






















Answer: Slope is




Since these two slopes are not equal, they are not parallel. Now multiply the two slopes



Since this product doesn't equal -1, the two slopes are not perpendicular.
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