Question

Complete the following magnitude

Answer 1

Ohhhh I think I made a mistake. I didn'tsee the comma.

Answer 2

Magnitude of ... 4* (3, -1)

Answer 3

To multiply a vector by a number, simply multiply each component by the number

Answer 4

4*(3, -1)

(4*3, 4*(-1))

(12, -4)

Answer 5

now take the magnitude

Answer 6

So the distance formula.

Answer 7

Yes

\(\|(a,b)\| = \sqrt{a^2+b^2}\)

Answer 8

sqrt 128

Answer 9

try again

Answer 10

remember (-a)^2 = a^2

Answer 11

It's not 0,0 is it? Do I use 3,-1?

Answer 12

sqrt 160.

Answer 13

Yes!

Answer 14

which is same as 4sqrt(10)

Answer 15

Oh okay... How would just go about simplifying that on my own?

Answer 16

sqrt(160) = sqrt(16*10) = sqrt(16)*sqrt(10) = 4*sqrt(10)

Answer 17

Ohhh so I break it up. Got it.

Answer 18

Thanks so much for your help, again!

Answer 19

np :)