Question

Simplify the number using the imaginary unit i.

A. 12
B. -12
C. 12i

Answer 1

What is \(\sqrt{144}\)?

Answer 2

12i

Answer 3

12

Answer 4

root(144)=12
root(-1)=i

Answer 5

okay i just forgot to do something with the i

Answer 6

Great, this can be written as \(\sqrt{-1*144}\) and since \(\sqrt{-1}=1\), then \(\sqrt{-144}=12i\)

Answer 7

\(\sqrt{-1}=i\), sorry.

Answer 8

thank you

Answer 9

Just break it in half following the rule \(\sqrt{a*b}=\sqrt{a}*\sqrt{b}\), you're welcome :)