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OpenStudy (anonymous):
What is the sum of the two vectors (-1,-4) and (3,5)?
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OpenStudy (e.mccormick):
The sum of vectors is the sums of the parts.
OpenStudy (anonymous):
is it (2,1) ?
OpenStudy (e.mccormick):
Yes.
OpenStudy (anonymous):
thank you
OpenStudy (e.mccormick):
Visually, it is the diagonal of a parallelogram.
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OpenStudy (anonymous):
ok just to be clear a vector has both a magnitude and direction right
OpenStudy (e.mccormick):
Yes. But it can have any origin point.
OpenStudy (e.mccormick):
This should help.
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