easiest way:
slope = (4-3)/3-1) = 1/2
so the equation is x - 2y = c
but (1,3) lies on it, so
1 - 6 = c = -5
x - 2y = -5
This method is based on the fact that for
Ax + By = C, the slope is -A/B
What is the equation of the line containing the given pair of points.
(1,3) (3,4)
1 answer