Respuesta :

Tareki
subs by (4,11) in the equation 
11 = 4m + b 
subs by (2, 7 ) in the equation 
7 = 2m +b 
by solving the two equations 
4m + b = 11 
-2m -b = -7 
-----------------------
2m = 4 
m = 2 
4(2) + b = 11 
b = 11 - 8 
b = 3 
so the final form is y = 2x +3