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Mathematics 9 Online
OpenStudy (anonymous):

write the sum of the two vectors as an ordered pair. (7,-5) and (4,4) A. (-1,11) B. (3,-1) C. (11,-1) D. (-1,3)

jimthompson5910 (jim_thompson5910):

to add two vectors, you just add the corresponding components

jimthompson5910 (jim_thompson5910):

if u = <a,b> and v = <c,d> then u+v = <a+c, b+d>

jimthompson5910 (jim_thompson5910):

I'm using vector notation <a,b> instead of point notation (a,b)

OpenStudy (anonymous):

so would it be (11,-1)?

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (anonymous):

THANK U!!

jimthompson5910 (jim_thompson5910):

np

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