GMAT Problem Solving (PS) | Line Q passes through (s,0)

Line Q passes through (s,0), and (0,s) for some number s, where s isn't equal to 0. What is the slope of line Q?
A. -1
B. 1
C. \(\frac{1}{2}\)
D.\(\frac{1}{\sqrt{2}}\)
E. \(\sqrt{2}\)

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