Anybody know how to do Numeration and Number Theory?

Question

anonymous · Answer

what is "numeration"?
(so i guess that means i don't know how to do it)

hero · Answer

:0

anonymous · Answer

myininaya knows how to solve 
$$x^2\equiv 6x(\text{mod}8)$$

anonymous · Answer

Its algebra, uhm im trying to do this one problem that deals with the i that equals root of negative one?

myininaya · Answer

$$\sqrt{-1}=i$$

anonymous · Answer

name the problem i bet you will get several answers. looks like we are all very bored tonight

myininaya · Answer

just asked the question

anonymous · Answer

@myininaya YES (:

myininaya · Answer

lol

anonymous · Answer

but i have to plug in my answers and i don't know how to do it.

myininaya · Answer

can you take a picture of it and attach it?

anonymous · Answer

$$\sqrt{-16} = \sqrt{16}\times blank \space next line \sqrt{16}\times \sqrt{blank} next line 4 blank line$$

myininaya · Answer

$$\sqrt{-16}=\sqrt{-1}\sqrt{16}=i \cdot 4=4i$$

myininaya · Answer

i'm trying to make out this other stuff you have

anonymous · Answer

it wouldn't let me go to the next line..

anonymous · Answer

$$7\sqrt{-50} = 7\sqrt{25}\times2\times$$$$= 7\sqrt{25\times}\sqrt{2}\times \sqrt{?}$$$$7\times5\times \sqrt{2}\times$$$$35 blank \sqrt{2}$$