Question

Evaluate the expression:

v ⋅ w

Given the vectors:

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

Answer 1

multiply element by element.

Answer 2

so would it be
(3)(-8)(-3)+(-4)(-2)(-6) ??? @kaylaprincess

Answer 3

no

Answer 4

vector multiplication isnt easy as addition or multiplication by scalar

Answer 5

do you have notes on cross product?

Answer 6

sorry dot product

Answer 7

Not really.. i take the class online and was honestly REALLY confused reading the section

Answer 8

you do the 1st terms time each other plus the 2nd terms times each other....

Answer 9

(3)(-8)(-3)+(-4)(-2)(-6)
72 + (-46)
26

Is that right ?

Answer 10

8*(-4)+8(-2)+...

Answer 11

sorry that r*w but same idea

Answer 12

v1*w1+v2*w2+v3*w3

Answer 13

not v1*v2*v3+w1*w2*w3

Answer 14

OOOOHHHHHHHHHH
so
3(-4)+(-8)(-2)+(-3)(-6)
-12+16+18
22

Answer 15

looks like it

Answer 16

Thank you soooooo muck :D

Answer 17

no problem