#### Answer

$\sqrt{5} = 2.236$

#### Work Step by Step

The distance formula is: $d = \sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$. This finds the distance $d$ between two points $(x_1,y_1)$ and $(x_2,y_2)$. Distances are always positive.
$d = \sqrt{(0-(-\sqrt{2}))^2+(\sqrt{3}-0)^2} = \sqrt{5} = 2.236$