Find the slope of the line through the given points(4, -8) and (5, -8)

A)-16/9
B)0
C)-16
D) No slope

b

The slope of the line passing through two points P1(x1,y1) and P2(x2,y2) is given by

(y2-y1)/(x2-x1).
Post your answer for checking if you wish.