Question

WHICH NUMBER IS EQUIVALENT TO 18i^2

Answer 1

\[i ^{2} = ????\]
do you know ??

Answer 2

A.-18
b.-9
c.9
d.18

Answer 3

eighteen i squared?

Answer 4

yes i know so i'm asking
i^2 you know its value

Answer 5

1? im not sure

Answer 6

negative one \[i = \sqrt{-1}\]
\[i^{2} = -1\]

Answer 7

so replace i^2 by -1 and then multiply by 18

Answer 8

-18 thanks

Answer 9

yes right
\(\color{Blue}{MY :) pleasure :)}\)