OpenStudy (anonymous):

do u use the midpoint formula for: # How many units apart are the points (8, 11) and (-1, -1)? cuz i get (3.5,5)

6 years ago
jimthompson5910 (jim_thompson5910):

No, you use the distance formula \[\Large d = \sqrt{(x_{1}-x_{2})^2+(y_{1}-y_{2})^2}\]

6 years ago
OpenStudy (anonymous):

what did you get here?

6 years ago
OpenStudy (anonymous):

15?

6 years ago
jimthompson5910 (jim_thompson5910):

you got it, nice work

6 years ago
OpenStudy (anonymous):

thnks

6 years ago