SOLUTION: Are v = -4i +10j and u = 8i - 20j parallel, how do you tell?

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Question 1155387: Are v = -4i +10j and u = 8i - 20j parallel, how do you tell?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Are v = -4i +10j and u = 8i - 20j parallel, how do you tell?
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u is -2 times v
---> parallel