SOLUTION: The length of the line segment joining A(-7,-5) and B(-1,5) is?

Algebra ->  Points-lines-and-rays -> SOLUTION: The length of the line segment joining A(-7,-5) and B(-1,5) is?      Log On


   

Question 180508: The length of the line segment joining A(-7,-5) and B(-1,5) is?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the distance formula,
D=sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29
D=sqrt%28%28-7-%28-1%29%29%5E2%2B%28-5-5%29%5E2%29
D=sqrt%28%28-6%29%5E2%2B%28-10%29%5E2%29
D=sqrt%28%2836%29%2B%28100%29%29
D=sqrt%28136%29
D=2%2Asqrt%2834%29