Answer:
m = 1/2
Explanation:
As we move from M to N, the x-coordinate increases from -6 to 2, a jump ('run') of 8 units. Likewise, the y-coordinate increases from 1 to 5, a jump of 4 units. The slope of the line passing through these two points is thus
m = rise / run = 4/8 = 1/2