SOLUTION: Determine whether the pair of lines is parallel, perpendicular, or neither. Y = 2x + 4 3y = 6x + 6

Algebra ->  Linear-equations -> SOLUTION: Determine whether the pair of lines is parallel, perpendicular, or neither. Y = 2x + 4 3y = 6x + 6      Log On


   

Question 891069: Determine whether the pair of lines is parallel, perpendicular, or neither.


Y = 2x + 4
3y = 6x + 6
Answer by josgarithmetic(39617) About Me  (Show Source):
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Compare their slopes; or, compare their ratios of coefficients on x to coefficients on y. If in proportion with same sign, then the lines are parallel. If you find the slopes are negative reciprocals, then the lines are perpendicular.