Question

Determine a aq.geral da reta que passa pelos pontos (a)- A(,2-4) e B(-1,6)

Answer 1

$\frac{x-x'}{x''-x'}= \frac{y-y'}{y''-y'}$

$\frac{x-2}{-3} = \frac{y+4}{10}$

$10(x-2)=-3(y+4) =\ \textgreater$

$10x-20=-3y-12$ = 10x+3y-8=0