#### Answer

undefined slope

#### Work Step by Step

The graph has a vertical line with x-intercept 2.
Find pair solutions of x=2.
We let (x1,y1)=(2,0) and (x2,y2)=(2,1)
$m=\frac{1-0}{2-2}=\frac{1}{0}=0$
Since $\frac{1}{0}$ is undefined, the slope of x=2 is undefined