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[SOLVED] IBV8 line L passes through the origin and is parallel to the vector 2i + 3j

karush

Well-known member
Jan 31, 2012
2,740
The line L passes through the origin and is parallel to the vector 2i + 3j.
Write down a vector equation for L.

\(\displaystyle r=(0,0)+s(2,3)\)

my question pending this is correct, could this be written as:

\(\displaystyle L=s(2,3)\):confused:
 

HallsofIvy

Well-known member
MHB Math Helper
Jan 29, 2012
1,151
Yes, of course. I can't help but wonder why you are asking. I cannot imagine you being given a question like this without already know how to add vectors and multiply a vector by a number. s(2, 3)= (2s, 2s) and (0, 0)+ s(2, 3)= (0+ 2s, 0+ 3s)= (2s 3s).