Question

Find the distance between the following pairs of points
$(-5,7)$ and $(-1,3)$

Answer 1

$A\left(-5,7\right)B\left(-1,3\right)AB=\sqrt{{\left(-5-\left(-1\right)\right)}^2+{\left(7-3\right)}^2}=\sqrt{16+16}=4\sqrt{2}units$