SOLUTION: Find the vector that has the same direction as 3i - 7j and twice the magnitude.

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Question 70162: Find the vector that has the same direction as 3i - 7j and twice the magnitude.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Simply double the vector, the new vector will be pointing in the same direction. 3i - 7j can be written as <3,-7> so to double it just multiply it by a scalar of 2
2<3,-7>=<6,-14>
So the new vector is <6,-14> or 6i-14j