SOLUTION: Without graphing, determine if the pairs are parallel, perpendicular or neither.
5x - 6y = 19
6x + 5y = -30
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Question 614865: Without graphing, determine if the pairs are parallel, perpendicular or neither.
5x - 6y = 19
6x + 5y = -30
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
perpendicular
the ratios of the coefficients are negative reciprocals
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