Question 81660
Use the distance formula:
d={{{(sqrt((x1-x2)^2+(y1-y2)^2)))}}}
d={{{(sqrt( (1-(-3))^2+(4-1)^2) )}}} [plug-in the values (1,4) and (-3,1)and solve]
d={{{(sqrt((4)^2+(3)^2))}}}
d={{{(sqrt(16+9))}}}
d={{{(sqrt(25))}}}
d=5