OpenStudy (anonymous):

how far apart are the points (3,-3) and (8,1) ?

6 years ago
OpenStudy (anonymous):

do you know the distance formula?

6 years ago
OpenStudy (anonymous):

i dont have one it doeesnt show it

6 years ago
OpenStudy (anonymous):

\[D=\sqrt{(x_2 - x_1)^2+(y_2-y_1)^2}\]

6 years ago
OpenStudy (anonymous):

all you need to do is subtract the x-coordinates then square that answer, do the same with the y-coordinates. square that anser . add them. then take the whole square root...

6 years ago
OpenStudy (anonymous):

ok

6 years ago
OpenStudy (anonymous):

let's verify... what's your answer?

6 years ago
OpenStudy (anonymous):

yes

6 years ago
OpenStudy (anonymous):

ok.. subtract the x's. what are your x-coordinates?

6 years ago
OpenStudy (anonymous):

3-1= 2

6 years ago
OpenStudy (anonymous):

your x coordinates are 3 and 8...

6 years ago
OpenStudy (anonymous):

woops thats what i meant

6 years ago
OpenStudy (anonymous):

3-8=

6 years ago
OpenStudy (anonymous):

-5

6 years ago
OpenStudy (anonymous):

good.. now subtract the y's

6 years ago
OpenStudy (anonymous):

-3-1=-4

6 years ago
OpenStudy (anonymous):

very nice... now watch..

6 years ago
OpenStudy (anonymous):

ok

6 years ago
OpenStudy (anonymous):

|dw:1338071922284:dw| can you tell me what goes in those boxes?

6 years ago