SOLUTION: Are the following lines parallel, perpendicular or neither?
L1 with equation x-3y = 9
L2 with equation 3x+y = 3
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Question 106440This question is from textbook
: Are the following lines parallel, perpendicular or neither?
L1 with equation x-3y = 9
L2 with equation 3x+y = 3
This question is from textbook
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
putting the equations into slope-intercept form (y=mx+b) shows the slopes directly
the slopes are 1/3 and -3 ... negative reciprocals (this is a BIG hint)
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