Step-by-step explanation:
Two points on the line are (1,4) and(-4,-4)
slope of the line =
[tex] \frac{ y2 - y1}{x2 - x1} [/tex]
[tex] \frac{ - 4 - 4}{ - 4 - 1} [/tex]
[tex] \frac{ - 8}{ - 5} [/tex]
[tex] \frac{8}{5} [/tex]
