Question

Let u = <-3, -5>, v = <-3, 1>. Find u + v. (1 point)

<-2, -8>

<-8, -2>

<0, -6>

<-6, -4>

Answer 1

You sum two vectors by summing the correspondent coordinates:

`u=(u_x, u_y),\ v=(v_x, v_y) \implies u+v = (u_x+v_x, u_y+u_y)`

So, you have

`(-3,-5)+(-3,1) = (-3-3, -5+1)=(-6, -4)`