Question

How do I simplify: -√-169?

Answer 1

you pull out an i and just take the root so its -13i

Answer 2

I would ignore the negative signs because its -(-) which equals a + so just find the square root of of 169

Answer 3

no - thats not correct
this is the square of negative 169
which is an imaginary number

have you come across the operator 'i' ?

Answer 4

Yes, but i=-1 so would another neg. cancel the i out?

Answer 5

i = sqrt(-1)

Answer 6

Mmkay... So the answer is... 13i

Answer 7

no - 13i

Answer 8

Okay, thank you😊