Question

Find the dot product of (u+v)*w
u=-1,3
v=2,4
w=2,-5

Answer choices:
A:37
B:-37
C:-29
D:-33
E:29
F:9

Answer 1

I am used to seeing brackets when writing vectors
u+v = [-1,3] + [2,4] = [1,7]

(u+v) dot w
= [1,7] dot [2,-5]
= 2 - 35
= - 33

Answer 2

Thanks dude! That was a tough question.