Question

Through (5,4) and (-4,3) using y2-y1 over x2-x1 and also y=mx+b form

Answer 1

(3 - 4)/(-4 - 5) = -1/-9 = 1/9
m = 1/9

3 = 1/9*(-4) + b
3 = -4/9 + b
3 4/9 = b

y = 1/9x + 3 4/9