Question

Determine the approximate magnitude of <-4, -7>.

Answer 1

take the square root of the sum of the square of the components

\[|\langle v\rangle|=\sqrt{v_1^2+v_2^2}\]

Answer 2

and the answer iss?

Answer 3

\[\sqrt {(-4)^2+(-7)^2}\]

Answer 4

my answer choices are a single number.. and i dont have a calculator at my reach