If the slopes of the 2 lines are equal then they are parallel.
If m1m2 = -1 (where m1 and m2 are the slopes of the 2 lines) then they are perpendicular.
If the 2 slopes do not match either the first or second conditions then they are neither parallel or perpendicular.
Positive because it is increasing
Answer for 3(4x-2) is 12x-6
Answer for 12x-2 is 24x
Answer:
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