Question

Let u = <-5, -3>, v = <-6, -1>. Find -3u + 5v.

<45, 14>
<-15, 4>
<33, 12>
<-15, -4>

Answer 1

<-15, 4>

Explanation:

-3u + 5v

-3(<-5, -3>)+5(<-6, -1>)

<15, 9> + <-30, -5>)

<-15, 4>