SOLUTION: If the coordinates of point A are (-1, 3) and the coordinates of point B are (2,7), what is the length of AB ?

Algebra ->  Length-and-distance -> SOLUTION: If the coordinates of point A are (-1, 3) and the coordinates of point B are (2,7), what is the length of AB ?      Log On


   

Question 387428: If the coordinates of point A are (-1, 3) and the coordinates of point B are (2,7), what is the length of AB ?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,  

Length of AB = sqrt%28%282-%28-1%29%5E2%29%2B+%287-3%29%5E2%29+=+sqrt%283%5E2+%2B+4%5E2%29=+sqrt%2825%29=+5