Question

Find the indicated dot product.

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

v ⋅ w

Answer 1

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

v.u = 3x6 + 4x(-9) + 7x7

Answer 2

simplify

Answer 3

basically you just need to multiply same components, and add them together. thats all to dot product

Answer 4

31.

Answer 5

\(\large \color{Red}{\checkmark}\)

Answer 6

Thank You.

Answer 7

np :)