Question

determine x e y sabendo que M(-3,-2) é ponto médio do segmento com extremidades A (-6,y) e B (x,-8)

Answer 1

XM= XA+XB       -3= -6+XB        -3+6= XB          3x2=XB        XB=6
               2                       2                           2

YM= YA+YB        -2= YA+∫-8∫     -2+8= YA              6x2=YA      YA= 12
              2                         2                       2