Elizabeth H. answered • 11/30/16

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Adding on to Arturo, an example would be:

y = 4x + 2

A parallel line will have the same slope and a different y-intercept, so one possible answer is y = 4x + 4

A perpendicular line will have a slope that is the negative inverse of the given slope and the same or a different y-intercept, so one possible answer is y = -¼ x + 4