Homework Help: Math

Posted by Momo on Saturday, April 25, 2009 at 1:56pm.

Express the vector as a combination of the standard unit vectors i and j.

v = AB where A = (10,-11) and
B = (-11,8)

I want to make sure I did this right:
<-11-10, 8--11> = <-21, 19>

So it's -21i + 19j?

Thank you!

Math - Reiny, Saturday, April 25, 2009 at 1:58pm
yes

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