SOLUTION: find the dot product of vector v and vector w if: v=2i-3j w=i-j

SOLUTION: find the dot product of vector v and vector w if: v=2i-3j w=i-j

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Question 448514: find the dot product of vector v and vector w if:
v=2i-3j
w=i-j
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Simply multiply corresponding coefficients and then add those products together to get

v dot w = (2*1)+(-3*-1) = 2+3 = 5

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