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If \(x\) and \(y\) are both positive and \(\sqrt{x^2+y^2}=3x-y,\) then \(\dfrac{x}{y} =\)

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by Gmat_mission » Fri Oct 02, 2020 12:22 am

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If \(x\) and \(y\) are both positive and \(\sqrt{x^2+y^2}=3x-y,\) then \(\dfrac{x}{y} =\)

A. \(0\)
B. \(\dfrac14\)
C. \(\dfrac12\)
D. \(\dfrac34\)
E. \(\dfrac32\)

Answer: D

Source: Magoosh
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