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Mathematics 6 Online
OpenStudy (anonymous):

find the magnitude of the vector ||AB||, given the points A(-3,1) and B(-5,-2) a. √51 b. √13 c. √19 d. √15

OpenStudy (lucaz):

the magnitude of a vector is just the 'length', in this case it the distance point A to point B, do you know the distance formula?

OpenStudy (anonymous):

d=√(x2-x1)^2+(y2-y1)^2

OpenStudy (lucaz):

yeah, use the given points to find the magnitude

OpenStudy (anonymous):

oh ok, Thanks!

OpenStudy (lucaz):

no problem

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