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If line \(L\) in the \(xy\)-coordinate plane has a positive slope, what is the \(x\)-intercept of \(L?\)
(1) There are different points \((a, b)\) and \((c, d)\) on line \(L\) such that \(ad = bc.\)
(2) There are constants \(m\) and \(n\) such that the points \((m, n)\) and \((-m, -n)\) are both on line \(L.\)
Answer: D
Source: Manhattan GMAT
(1) There are different points \((a, b)\) and \((c, d)\) on line \(L\) such that \(ad = bc.\)
(2) There are constants \(m\) and \(n\) such that the points \((m, n)\) and \((-m, -n)\) are both on line \(L.\)
Answer: D
Source: Manhattan GMAT
