Question

Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 8, -6>; v = <3, -8, -3>; w = <-4, -2, -6>

Answer 1

please help

Answer 2

\[v · w = v _{x} · w _{x} + v _{y} · w _{y} + vz _{2} · wz _{2} = 3 · (-4) + (-8) · (-2) + (-3) · (-6) = -12 + 16 + 18 = 22\]

Answer 3

It got cut off

Answer 4

\[-12 + 16 + 18 = 22\]

Answer 5

thank you, the way you presented it really helped me understand