What are the square roots of 196? I know one of them is 14

Question

accessdenied · Answer

A note is that $ \sqrt{196} $ denotes only a principle square root, while when you solve this equation: 
  $ y^2 = 196 $,  (the definition of the square root),  you can find two values here by solving...

anonymous · Answer

Oh so thats where I went wrong

mrnood · Answer

just  a hint: what is $$-1^{2}$$

anonymous · Answer

Um I can't remember at the moment

mrnood · Answer

When you remember it will help you with your original question y^2 = 196

anonymous · Answer

Okay thanks

anonymous · Answer

if your done with your question... please "close" it

anonymous · Answer

I know I am not done yet I doing the math and then gonna let someone check it

anonymous · Answer

Ok then,   sorry

anonymous · Answer

just passing some reminders

anonymous · Answer

I know, and thanks

mrnood · Answer

You appear to have 'done most of the maths. You need to address the question I asked just now.

anonymous · Answer

I can't seem to get it.

accessdenied · Answer

might want to write (-1)^2  in parentheses to be more clear

anonymous · Answer

I've tried over and over

mrnood · Answer

$$(-1)^{2}= ?$$
$$(1)^{2}= ?$$

anonymous · Answer

Okay thanks

mrnood · Answer

Have you got it - or have you given up?

anonymous · Answer

I got -14

mrnood · Answer

Well done.
So the TWO roots are??

anonymous · Answer

14 and -14

mrnood · Answer

Excellent - remember there is always a negative square root of the same value as the positive.

anonymous · Answer

Okay thanks!