Write the equation of the line (in slope-intercept form) that passes through the points (1, 6) and (2, 8).
Find slope = (y1-y2)/(x1-x2) = -2/-1 = 2
y = 2x + b sub in one of the points to calculate b
6 = 2(1) + b
b = 4
y = 2x+ 4
+36916 
