Question

ache a euquacao geral da reta que passa pelos pontos A (-5,6) B(-3,4)

Answer 1

m = y2 - y1 / x2-x1
= 6-4/ -5-(-3)
= 2/-2 = -1

y-y1 = m (x-x1)
y-6 = -1 (x-(-5))
y-6 = -1 (x+5)
y-6 = -x -5
y= -x -5+6
y= -x + 1
x+y = 1