Use the given vectors to find the indicated quantities. u = 〈2, −5〉, v = 〈−3, −4〉, w = 〈2, −1〉 (u ∙ v)w =

Answer 1

u·v = (2)(-3)+(-5)(-4) = -6+20=14.

Therefore, (u·v)w = 14w = 14<2,-1>=<28,-14>