Question

distancia entre os pontos: A ( -4; 0) e B (1; -5 )

Answer 1

$d_A_B = \sqrt{(x_b-x_a)^2+(y_b-y_a)^2}\\\\\ d_A_B = \sqrt{[1-(-4)]^2+(-5-0)^2}\\\\\ d_A_B = \sqrt{(5)^2+(-5)^2}\\\\\\ d_A_B = \sqrt{25+25} \\\\ d_A_B = \sqrt{50} \\\\ \boxed{d_A_B = 5 \sqrt{2} }$