[tex] d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^{2}}[/tex]
[tex] d=\sqrt{(2-(-2))^2+(4-3})^{2}}[/tex]
[tex] d=\sqrt{4^{2}+1^{2}}[/tex]
[tex] d=\sqrt{16+1}[/tex]
[tex] d=\sqrt{17}[/tex]
[tex] d\approx4.12[/tex]
