Question

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

answers:
<-2, -8>

<-8, -2>

<0, -6>

<-6, -4>

Answer 1

Any ideas?

Answer 2

@lanybug96 do you want to learn math?

Answer 3

I have no idea, super lost

Answer 4

$$\Huge u+v$$ $$\Huge =<x_u,y_u>+<x_v,y_v>$$
$$\Huge=<x_u+x_v,y_u+y_v>$$

Answer 5

Add the x-components and add the y-components.

Answer 6

$$\Huge u = <-3, -5>, v = <-3, 1>$$

Answer 7

-3 +(-3) = ?
-5 + 1 = ?

Answer 8

Do you want me to go over the rules for addition using negative numbers?

Answer 9

If two numbers have the same sign add their absolute values and prefix their common sign.

Answer 10

okay is it B? sorry! my computer kept doing weird things and I couldn't reply

Answer 11

nope, not <-8, -2>

Answer 12

okay well when I add -3 + -5 I get -8 and -3 + 1 I get -2... so whats the stepp after that?

Answer 13

Each vector has two components, right?

Answer 14

right

Answer 15

The first component is called the x-component

The second is called the y-component

Answer 16

$$\Huge<x,y>$$

Answer 17

$$\Huge<x,y>$$ what is that suppose to mean?

Answer 18

x is first number and y is the second number

Answer 19

just like a variable

Answer 20

a symbol used to represent a number

Answer 21

$$\Huge <1st,2nd>$$

Answer 22

okay lol I get that part... im just lost5 on how to find answer

Answer 23

is it D?

Answer 24

yes