Given data:
Assume the given value of x = -a.
Assume the given value of y= -b.
The expression for the ratio of x/y is,
[tex]\begin{gathered} \frac{x}{y}=\frac{-a}{-b} \\ =\frac{a}{b} \end{gathered}[/tex]Thus, the only ratio of x and y that is x/y is positive.