SOLUTION: Find the distance between the points. Give an exact answer and an aproximation to three decimal places. (-3,-7) (-9,-12)

Algebra ->  Linear-equations -> SOLUTION: Find the distance between the points. Give an exact answer and an aproximation to three decimal places. (-3,-7) (-9,-12)      Log On


   

Question 840127: Find the distance between the points. Give an exact answer and an aproximation to three decimal places. (-3,-7) (-9,-12)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
D%5E2=%28x%5B2%5D-x%5B1%5D%29%5E2%2B%28y%5B2%5D-y%5B1%5D%29%5E2
D%5E2=%28-9-%28-3%29%29%5E2%2B%28-12-%28-7%29%29%5E2
D%5E2=%28-6%29%5E2%2B%28-5%29%5E2
D%5E2=61
D=sqrt%2861%29
For the approximation, use a calculator.