what is the conjugate of 7j

Question

calculusxy · Answer

Here is the definition of conjugate:
In algebra, a conjugate is a binomial formed by negating the second term of a binomial. The conjugate of x + y is x − y, where x and y are real numbers.

Hopefully this helps you for your question.

anonymous · Answer

my guess is that $j=\sqrt{-1}$ 
if so, then the conjugate of $7j$ is $-7j$

anonymous · Answer

Thank you, I do know that but it says I have to answer in a+bj format. Im not sure how to write that.

anonymous · Answer

$0-7j$ if you want to be silly and write in the format it asked for

calculusxy · Answer

I believe that it means to do the inverse of what is required. Meaning to do the inverse operation.

anonymous · Answer

Thank you guys, it just seems a little bit of a strange question

calculusxy · Answer

No problem!