Posted by **B.B.** on Friday, September 18, 2009 at 7:45pm.

I am stumped on this problem can someone please explain?

Find the distance between the given points (-3, -7) and (-4, 15).

Thanks so much.

- Math -
**bobpursley**, Friday, September 18, 2009 at 7:46pm
The distance formula is ..

given two points (x1,y1) and (x2,y2)

distance= sqrt ((x1-x2)^2 + (y1-y2)^2)

- Math -
**B.B.**, Friday, September 18, 2009 at 7:57pm
Did I do this problem correctly?

D=sqrt[(15+7)^2+(-4+3)^2]

D=sqrt[484+1]

D=sqrt 485

D ~22.023.

Is this answer correct?

- Math -
**bobpursley**, Friday, September 18, 2009 at 8:02pm
yes.

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