SOLUTION: Are these 2 lines parallel, perpendicular or neither? 6x+3y=9 and x-2y=10

SOLUTION: Are these 2 lines parallel, perpendicular or neither? 6x+3y=9 and x-2y=10

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Question 273362: Are these 2 lines parallel, perpendicular or neither?
6x+3y=9 and x-2y=10
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
perpendicular

solving each equation for y, gives the slope-intercept form of the lines (y = mx + b)

the slopes (m) are negative reciprocals, this means perpendicular

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