Question 948965
(0,5)+(1,3)=(1,8)
Plot (0,5) and (1,8) then draw the line between them.
{{{drawing(300,300,-2,10,-2,10,grid(1),
circle(0,5,0.35),
circle(1,8,0.35),
graph(300,300,-2,10,-2,10,5+3x))}}}