Distance between (2 , 3) (4 , -7)
[tex]d=\sqrt{(y_{2} -y_{1} )^{2} + (x_{2}-x_{1} )^{2}[/tex]
[tex]d=\sqrt{(-7-3 )^{2} + (4-2 )^{2}[/tex]
[tex]d=\sqrt{(-10 )^{2} + (2 )^{2}[/tex]
[tex]d=\sqrt{100 + 4[/tex]
[tex]d=\sqrt{104[/tex]
[tex]d=10.198[/tex] or [tex]2\sqrt{26}[/tex]