Question

Simplify.

Answer 1

\[\LARGE \sqrt{-121}\]

Answer 2

\(\large \sqrt{-121}=\sqrt{-1\cdot 121}=\sqrt{-1}\cdot \sqrt{121} \)
simplify that....

Answer 3

A) -11i
B) 11i
C) -11
D) 11

Answer 4

choose...

Answer 5

I don't know how to simplify it, can you help me?

Answer 6

yes... i can help.
do you know what the square root of -1 is??? it's a definition... your book should tell you what it is..

Answer 7

i don't have a book.

Answer 8

definition: \(\large i=\sqrt{-1} \)
can you at least figure out what the square root of 121 is?

Answer 9

11

Answer 10

So is it D?

Answer 11

\[\sqrt{-121}=\sqrt{121}\sqrt{-1}=11i\]

Answer 12

Thank you.

Answer 13

Welcome ^^