Question

Find a ⋅ b

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

Answer 1

multiply and add ....

Answer 2

if you stack them, they are simpler to deal with

Answer 3

a = <5, 2>
b = <4, 5>
-----------
multiply down, then add teh results

Answer 4

<20,10>?

Answer 5

almost ... a dot product produces a number, not a vector tho; but youve got the right idea

a = <5, 2>
b = <4, 5>
-----------
20+10 = 30

Answer 6

so when I'm done multiply i just add everything together?

Answer 7

yep

Answer 8

Thank you sooo much!!

Answer 9

youre welcome