Question

Let u = <6, -9>, v = <1, -4>. Find u - v.

Answer 1

<5, -5>

<10, -10>

<15, 5>

<7, -13>

Answer 2

@VeritasVosLiberabit i'm very bad at this chapter haha

Answer 3

ok this is fairly simple. Multiply like components when doing vector addition.
\[<a,b>-<c,d>=<a-c,b-d>\]

Answer 4

sorry subtract

Answer 5

Not multiply

Answer 6

<6,-9>-<1,-4>=<6-1>-<-9+4>?

Answer 7

yes but don't use that notation, you are splitting the vectors

Answer 8

if anything use regular parentheses ()

Answer 9

Ok so how should it look?

Answer 10

(6-1),-(9-4)

Answer 11

then combine into a vector <(6-1),(-9-4)>

Answer 12

(5,-5)

Answer 13

correct, well done

Answer 14

Can i just keep asking you questions haha? you are very helpful

Answer 15

sure make a new thread

Answer 16

thats a lot better explanation then the last two i previewed. good explanation and participation.

Answer 17

thank you @amistre64 although I did make a few typos

Answer 18

less typos then i usually make :)