Question

what is the equation for ordered pairs (1,3) (3,4)

Answer 1

\[y - y _{1} = \frac{ y _{2} - y _{1} }{ x _{2} - x _{1} }(x - x _{1)}\]
Where (x1,y1) and (x2,y2) are the two points, and x and y are the x and y of the equation.