Consider the graph of the line $y=\frac{1}{2} x-4$ and the point (-4, 2).



The slope of a line parallel to the given line is [ ].



A point on the line parallel to the given line, passing through ( $-4,2$ ), is [ ].



The slope of a line perpendicular to the given line is [ ].



A point on the line perpendicular to the given line, passing through ( $-4,2$ ), is [ ].