Question 62337
{{{m = (y2 - y1)/(x2 - x1)}}}
To simplify the calculations I am using (4,1) as (x1,y1) and (1,y) as (x2,y2)
{{{3 = (y - 1)/(1 - 4)}}}
{{{3 = (y - 1)/-3}}} Multiply both sides of the equation by -3.
{{{-9 = y - 1}}} Add 1 to each side of the equation
{{{-8 = y}}}