How do I find the magnitude of vector [Archive]

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sotang

Sep 25, 2010, 09:35 AM

A (-3,4) B(6,-1) find the magnitude of vector AB. Round to the nearest tenth.

How do you get the answer to this in the simplest explenation. I know the answer but I don't know how I got there.

Unknown008

Sep 25, 2010, 10:42 AM

If I gave you this image:

http://p1cture.me/images/53840820059759921624.png

Will you be able to find the length of the diagonal from one coordinate to another?