Question

Determine o ponto médio do segmento AB

sendo A( -1,-3) e B (0,-12).

a) M (-1/2;-7,5) b) M (1/2;1) c) (-3/2;-13/2)

d) M (-1/2;2) e) N.D.A.​

Answer 1

$x = - 1 + 0 \div 2 = \frac{ - 1}{2} \\ y = - 3 - 12 \div 2 = - 15 \div 2 = - 7.5$

Alternativa a) M (-1/2 ; -7,5)