Question

qual é a distância entre (-5, -6) y (-3,-8)​

Answer 1

$d = \sqrt{(x - x_{0})^{2} + (y - y_{0})^{2} } \\d = \sqrt{(-5 - (-3))^{2} + (-6 - (-8))^{2} }\\d = \sqrt{(-5 + 3)^{2} + (-6 + 8)^{2} }\\d = \sqrt{(-2)^{2} + (2)^{2} }\\d = \sqrt{4 + 4}\\d = \sqrt{8}\\d = 2\sqrt{2}$