Fill in the blanks to make a true statement.
The variables $x$ and $y$ are inversely proportional. If $x = 1$, then $y = 1$. And if $x = 2$, then $y = 2$.
The variables ___ and ___ are proportional.
The variables ___ and ___ are inversely proportional
x^2, y^2, 1/x^2, 1/y^2, x + y, 1/x + 1/y