Question

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

<-2, -8>

<-8, -2>

<0, -6>

<-6, -4>

@Shay17 @douglaswinslowcooper

Answer 1

D. last choice is the only one that is correct !

Answer 2

-3 + -3 and -5 + 1

Answer 3

how did you find it

Answer 4

how did you find the answer

Answer 5

I just told you

Answer 6

-3+-3=-6 and -5+1=-4 so the answer is (-6,-4)

Answer 7

It asked you to find u+v so add x+x and y+y

Answer 8

oh i see thanks could you help me in this one please Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v.
what does the u stand for and the v ? thanks

Answer 9

They are just the variable of the coordinate that lets you know that (-5,1) is u and (7,-4) is v

Answer 10

And if you want help post it as a new question

Answer 11

Yes. if u=(a,b) and v=(c,d) then u+v = (a+c, b+d)

Answer 12

so you mean i have to add -5+-4

Answer 13

Don't start getting confused here.. where are you getting -4 from ?

Answer 14

Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v. wait -5+7 1+-4