Does the line with equation \(ax + by = c,\) where \(a, b\) and \(c\) are real constants, cross the \(x\)-axis?

[VJesus12]

Does the line with equation \(ax + by = c,\) where \(a, b\) and \(c\) are real constants, cross the \(x\)-axis?

(1) \(b \ne 0\)
(2) \(ab > 0\)

Answer: B

Source: GMAT Prep