Question 42044
Find the slope of the line passing through the points (–9, –4) and (0, –4). 

slope, m= y2-y1 / x2-x1   ; y2=-4, y1=-4, x2=0 and x1=-9

        = -4 - (-4) / 0 - (-9)
        = -4 + 4 / 0 +9
        = 0/ 9
        = 0

ans B) 0