Question

em cada caso, encontre uma equação geral da retq que passa pelos pontos : (0,-3) e (3,-2)

Answer 1

$y-y_{O}=m\cdot(x-x_{O})\\\\\\m= \dfrac{-3-(-2)}{0-3}\\\\\\ m= \dfrac{1}{3}\\\\\\y-(-3)= \dfrac{1}{3}\cdot(x-0)\\\\\\y+3= \dfrac{x}{3}\\\\\\3y+9=x\\\\\boxed{S:x-3y-9=0}$