Line A: y = 1 2 x + 2 Line B: y = -1 2 x + 7 Line C: y = -2x + 4 Line D: y = 1 2 x + 5 4 using these numbers can you solve to find the line that is perpendicular without graphing it?

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Originally Posted by allsmiles Line A: y = 1 2 x + 2 Line B: y = -1 2 x + 7 Line C: y = -2x + 4 Line D: y = 1 2 x + 5 4 using these numbers can you solve to find the line that is perpendicular without graphing it? You've written these lines in the slope intercept form, so perpendicular lines will have the negative reciprocal slope.

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