SOLUTION: `Line line 1, passes through points P(n, 4) and Q(1 2), Line 2, passes through points R(4, 3) and S (1, 5). a) What is the value of n if the lines are parallel? b) If the lines are

Algebra ->  Linear-equations -> SOLUTION: `Line line 1, passes through points P(n, 4) and Q(1 2), Line 2, passes through points R(4, 3) and S (1, 5). a) What is the value of n if the lines are parallel? b) If the lines are      Log On


   



Question 1106602: `Line line 1, passes through points P(n, 4) and Q(1 2), Line 2, passes through points R(4, 3) and S (1, 5). a) What is the value of n if the lines are parallel? b) If the lines are perpendicular, what is the value of n?''.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
duplicate

Most of the work is shown in previous post
See https://www.algebra.com/algebra/homework/coordinate/Linear-systems.faq.question.1106594.html
(used point labels for lines there)
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You should at first find that slope for PQ is -2%2F%281-n%29 and slope for RS is -2%2F3.
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