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OpenStudy (anonymous):
The ordered pairs <–8, 2> and <5, –6> represent two vectors. What is the magnitude of the resultant? (1 point)1 2 5 15
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jimthompson5910 (jim_thompson5910):
Resultant vector: <–8, 2> + <5, –6> = <-8+5, 2+(-6)> = <-3, -4> Magnitude of resultant vector = sqrt((-3)^2+(-4)^2) = sqrt(9+16)=sqrt(25) = 5
jimthompson5910 (jim_thompson5910):
So the answer is choice B) 5
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