16. Find the distance between points (-3,0) and (8,- 6)
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[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-3}~,~\stackrel{y_1}{0})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{-6})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(~~8 - (-3)~~)^2 + (~~-6 - 0~~)^2} \implies d=\sqrt{(8 +3)^2 + (-6)^2} \\\\\\ d=\sqrt{( 11 )^2 + ( -6 )^2} \implies d=\sqrt{ 121 + 36 } \implies d=\sqrt{ 157 }[/tex]