Lines \(P, Q\) and \(R\) are parallel to each other. Is the slope of the line \(P\) positive?
(1) Line \(R\) passed through \((6, 2).\)
(2) Line \(P\) and \(Q\) passes through \((-6, 2)\) and \((-6, -2)\) respectively.
Answer: E
Source: GMAT Paper Tests