SOLUTION: how would you solve (0,1) and (2,-1) using the distace formula

Question 554197: how would you solve (0,1) and (2,-1) using the distace formula
Answer by kkasko(46) (Show Source): You can put this solution on YOUR website!
sqrt(x2-x1)^2+(y2-y1)^2
sqrt4+1
sqrt(2-0)^2+(-1-1)^2
sqrt(2)^2+(-2)^2
sqrt(4+4)
sqrt8
=2.828427125