Mathematics, 09.01.2020 01:31, maltipoosarecool

8. line contains points (p − 4, 2) and (−2, 9). line contains points (p, −1) and (−1, 1).
a. find the value of p if the lines are parallel.
b. find the value(s) of p if the lines are perpendicular.

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8. line contains points (p − 4, 2) and (−2, 9). line contains points (p, −1) and (−1, 1).
a....