Question

- A distância entre os pontos P = (1,0) e Q = (4, 4) é: * a) 7 b) 3 c) 5 d) 2 7

Answer 1

$d = \sqrt{(x - x_{0})^{2} + (y - y_{0})^{2} }\\d = \sqrt{(1 - 4)^{2} + (0 - 4)^{2} }\\d = \sqrt{(-3)^{2} + (- 4)^{2} }\\d = \sqrt{9+ 16 }\\d = \sqrt{25 }\\d=5$