Question

please help me with this square root problem...

Answer 1

\[\left( -5-\sqrt{-9} \right)^{2}\]

Answer 2

16+i10*9^1/2

Answer 3

well what is -5 *-5?
remember negative times negative is a positive
then what is rt-9^2?

Answer 4

25 and 3 right?

Answer 5

and rvgupta, i come up with that answer too but its not one of my multiple choice options

Answer 6

25 is correct,
but if you sq rt a number and then sq it again you get the original number

Answer 7

so you've rooted it but not re-squared it

Answer 8

so it is 9?

Answer 9

16

Answer 10

is that an option?

Answer 11

for some reason i keep coming up with 16-10i\[\sqrt{9}\]

Answer 12

there is 16 + 30i

Answer 13

where did the 10i come from?

Answer 14

i am not really sure... i know i worked it out wrong, and 10i isnt even an option....

Answer 15

yes

Answer 16

think of it this way
-5*-5
-rt9*-rt9
-5*-rt9
-5*-rt9

and add all those together

Answer 17

16+30i