#### Answer

slope=-4

#### Work Step by Step

Slope is defined as:
$\displaystyle slope=\frac{rise}{run}$
To find the slope of $FG$, we need to find the rise and run from $F$ to $G$. From the graph, we see that:
$rise=-4$ units
$run=1$ units
Thus:
$slope=\frac{-4}{1}=-4$