text: a line contains points (-4, 2) and (0, -4). another line graphed in the same coordinate plane contains...??? a line contains points (-4, 2) and (0, -4). another line graphed in the same coordinate plane contains points (4, 3) and (-5, -3). based on the slopes of these lines, are they parallel, perpendicular or neither?    parallel   perpendicular   neither  thanks perpendicular