Question

vectors

Answer 1

Find the indicated dot product.

r = <9, -7, -8>, v = <3, 4, 7>, w = <6, -9, 7>

v ⋅ w

Answer 2

<18, -36, 49> is this correct? @satellite73

Answer 3

just \(v\cdot w\) right?

Answer 4

\[(3)(6)+(4)(-9)+(7)(7)\] is the answer, i will check it

Answer 5

oh no your answer cannot be right
the dot product is a number, not a vector

Answer 6

i get \(31\) but you should check my arithmetic, because evidently it is not what it ought to be

Answer 7

wait if your suppose to multiply them whouldnt it make sense to get 3 different answers?