Question

the product (radical -8) (radical -2) is equal to
a) 4i
b) 4
c) -4
d) 3i radical 2

Answer 1

would it be 4i? I'm not quite sure... let ask someone else on this. :)

Answer 2

I too have no idea.

Answer 3

sqrt(-8)*sqrt(-2) = sqrt( (-2)(-8) ) = sqrt(16) = 4

Answer 4

^ that makes sense bah... but how is the answer -4?

Answer 5

The answer is not -4

Answer 6

The answer cannot be -4, there is noooo way in heck that the answer's -4.

Answer 7

unless there's a negative in front of all that.

Answer 8

but that's the answer that is posted on the answer key

Answer 9

-(-4)

Answer 10

villa the answer key is wrong.

Answer 11

I hate when the Textbook writers get drunk.

Answer 12

alright, I'll go with your answer bahrom

Answer 13

I have the most medals here, but I didn't even answer...