Question

Let u = <4,-1> and v=<3,5>. What is |u+v|rounded to the nearest tenth?

Answer 1

did you find \(u +v\) ?

Answer 2

<4,-1> + <3,5>

Answer 3

yeah, did you add?

Answer 4

7,4?

Answer 5

yes

Answer 6

then \(|<a,b>|=\sqrt{a^2+b^2}\)

Answer 7

in your example you get
\[|<7,4>|=\sqrt{7^2+4^2}\]

Answer 8

sqrt(49+16)?

Answer 9

8.06?

Answer 10

So 8.1 is the result?

Answer 11

Thank You!

Answer 12

i didn't compute it , but i can

Answer 13

i actually get \(8.06\) rounded

Answer 14

so rounded i guess is 8.1

Answer 15

Thank you again c: