Question

equação geral de A(1,2) e B(2,5) ?

Answer 1

A(1,2) e B(2,5)

M = ( yb - ya ) / ( xb - xa ) = ( 5 - 2 ) / ( 2 - 1 ) = 3/1 = 3

y - ya = m ( x - xa )

y - 2 = 3 ( x - 1 )

y - 2 = 3x - 3

y = 3x - 3 + 2

3x - y - 1 = 0