SOLUTION: Please help me with this problem! The vector v is represented by the directed line segment PQ. Write v in the form ai + bj and find ||v||. P = (-3,1) Q = (4,-2) Thank you, Tami

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Please help me with this problem! The vector v is represented by the directed line segment PQ. Write v in the form ai + bj and find ||v||. P = (-3,1) Q = (4,-2) Thank you, Tami      Log On


   

Question 149559: Please help me with this problem!
The vector v is represented by the directed line segment PQ. Write v in the form ai + bj and find ||v||. P = (-3,1) Q = (4,-2)
Thank you, Tami
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The vector v is represented by the directed line segment PQ. Write v in the form ai + bj and find ||v||. P = (-3,1) Q = (4,-2)
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Difference in x = 7, in y = -3
v = 7i - 3j
||v|| = sqrt(7^2 + 3^2)
= sqrt(58)
I'm pretty sure.