Question

Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2>

Answer 1

dot product, multiply element by element and add... 6(-7)+7(5)+(-3)(2)=-42+35-6=-13 that is if my calculations are right

Answer 2

and that would just be the final answer? simple as that? @josiahh

Answer 3

yea

Answer 4

thanks. are you 100% sure its -13?

Answer 5

well check my calculations if u want

Answer 6

just did, your right! :) thanks!

Answer 7

np

Answer 8

Find a ⋅ b.

a = <2, 4>, b = <2, 5>

Answer 9

<4, 9>

24

<4, 20>

16

Answer 10

@josiahh

Answer 11

do ur own work

Answer 12

btw, feather its 4,20 like weed