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Mathematics 13 Online
OpenStudy (anonymous):

vector help!!! PLZ

OpenStudy (anonymous):

suppose u = 3i - 4j, v= 4i -3j and w = i + j represent 1/2(u+v) - 1/4w in standard form

OpenStudy (anonymous):

coeff of i add together and the same for coeff of j

OpenStudy (anonymous):

can you repeat that sorry

OpenStudy (anonymous):

i keep getting 27/4 i and -29/4j and that is not correct

OpenStudy (anonymous):

i get 13/4 for i

OpenStudy (anonymous):

ok let me see your adding your i's and j's and plugging them into the equation? what do you plug in for w

OpenStudy (anonymous):

3/2 + 4/2 - 1/4

OpenStudy (anonymous):

how did you get that?!?!?!

OpenStudy (anonymous):

1/2 (3i - 4j) +1/2 (4i -3j) -1/4 (i + j)

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

clear?

OpenStudy (anonymous):

im not sure yet...

OpenStudy (anonymous):

jus separate coefficients of i and j from what i wrote

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