Question

Hi! I need some help!

Answer 1

http://prntscr.com/77cl56

Answer 2

You have to take the square root of 160

Answer 3

12.6*

Answer 4

What next?

Answer 5

\[x^2 = 160\]\[x = \sqrt{160}\]\[x = \sqrt{16*10}\]\[x = \sqrt{16} * \sqrt{10}\]\[x = 4\sqrt{10}\]\[x = \pm 4\sqrt{10}\]

Answer 6

What is the 10 from? And where did the 4 come from?

Answer 7

well I broke the 160 apart into 16 * 10 because 16*10 = 160 right?

Answer 8

Okay.

Answer 9

The 16 to get 4....Got ya.

Answer 10

Yes :p

Answer 11

Thanks!

Answer 12

X2=160
x=+√160
x=4√10 or x=-4√10
Answer
x=√10 or x= -4√10

Answer 13

No problem!