Question

Care sunt coordonatele segmentului [AB ] determinate de punctele A(-5;6) si B(9;12)

Answer 1

$x_{AB}$=$\frac{-5-9}{2}$=-7
$y_{AB}$=$\frac{6-12}{2}$=-3
AB(-7;-3)

Answer 2

X ∈ [ -5 , 9 ]
Y ∈ [ 6 , 12]

tgα = 6/14 = 3/7 => Y = 3X/7,  X ∈ [-5, 9]