Work Shown:
The line goes through (-4,2) and (3,9)
(x1,y1) = (-4,2)
(x2,y2) = (3,9)
m = (y2-y1)/(x2-x1)
m = (9-2)/(3-(-4))
m = (9-2)/(3+4)
m = 7/7
m = 1
The slope is 1.