11. Without graphing, determine whether the pairs of lines are parallel, perpendicular, the same, or none of these: a) x + 3y = 6 and 3x - y = -7 b) 2x - y = -3 and y = 2x - 14 c) y + 2 = -3(x - 5) and 2y = 6x + 11 d) 0.5x + y = 0 and 2x - y = 10
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- The slope of the second line is \(3\). - Since the product of the slopes is \((-1/3) \times 3 = -1\), the lines are perpendicular to each other. ** Show more…
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