Homework Help: Math

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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