Question

Distance formula is D=~^ (X2-X1)*2 + (Y2- Y1)*2

pls help!

Answer 1

`~~~~~~~~~~~~\textit{distance between 2 points} \\\\ P1(\stackrel{x_1}{6}~,~\stackrel{y_1}{3})\qquad P2(\stackrel{x_2}{-3}~,~\stackrel{y_2}{5})\qquad \qquad d = √(( x_2- x_1)^2 + ( y_2- y_1)^2) \\\\\\ P1P2=√((~~-3 - 6~~)^2 + (~~5 - 3~~)^2) \implies P1P2=√(( -9 )^2 + ( 2 )^2) \\\\\\ P1P2=√( 81 + 4 ) \implies P1P2=√( 85 )`