(1,-5)(3,-17)
slope = (-17 - (-5) / (3 - 1) = - 12/2 = - 6
y = mx + b
slope(m) = -6
use either of ur points...(1,-5)...x = 1 and y = -5
now we sub and find b, the y int
-5 = -6(1) + b
-5 = -6 + b
-5 + 6 = b
1 = b
so ur equation is : y = -6x + 1....or 6x + y = 1
Hope this helps!