Question

qual a distancia entre os pontos A(-5,4) e B(-2,-3)?

Answer 1

$d = \sqrt{(x_b-x_a)^2+(y_b-y_a)^2} \\\\\ d = \sqrt{(-2-5)^2+(-3-4)^2} \\\\\ d = \sqrt{(-7)^2+(-7)^2}\\\\\ d = \sqrt{49+49} \\\\\ d = \sqrt{98} \\\\ \boxed{d = 7\sqrt{2}}$