Răspuns :
[tex] x_{AB} [/tex]=[tex] \frac{-5-9}{2} [/tex]=-7
[tex] y_{AB} [/tex]=[tex] \frac{6-12}{2} [/tex]=-3
AB(-7;-3)
X ∈ [ -5 , 9 ]
Y ∈ [ 6 , 12]
tgα = 6/14 = 3/7 => Y = 3X/7, X ∈ [-5, 9]
Y ∈ [ 6 , 12]
tgα = 6/14 = 3/7 => Y = 3X/7, X ∈ [-5, 9]