Question

Let u = <-7, -2>. Find 8u.

Answer 1

<a,b>
whatever <a,b> ==> <whatever * a, whatever * b>

Answer 2

This is "just like" distribution. i.e.

\(au=\langle a*-7, a*-2\rangle\)

Answer 3

(-7)/(-2) = 7/2~~3.5