Match the statement on the left with the domain for all variables that will make the statement true.

Drag and drop application.

$$x$$y$($xy $=1)$

$$x$$y$($xy$=1)$ drop zone empty.

$$x$$y$($x $=2$y$)$

$$x$$y$($x$=2$y$)$ drop zone empty.

$$y$$x$($x $+$ y $=0)$

$$y$$x$($x$+$y$=0)$ drop zone empty.

$$x$$y$($xy $=$ xy $+1)$

$$x$$y$($xy$=$xy$+1)$ drop zone empty.

The positive real numbers

$\{0\}$

The empty set

The integers