Find the equation of the line passing through (1,-1) and (2,-5). Enter the answer in standard form.
+36916 I'll start with y - mx + b form m = slope = (y1-y2)/(x1-x2) = -4
y = -4x + b sub in one of the points to calc 'b'
-5 = -4(2) + b b = 3
y = -4x+3 now convert to standard form
y + 4x = 3
