Question

a postitve and a negative = a negative right?

Answer 1

correct

Answer 2

Are you adding, multiplying, or what?

Answer 3

<only in mathematics> ;)

Answer 4

when multiplying or dividing
example -1*-2= +2 but -1* 2= -2

Answer 5

If you are multiplying then yes.

Answer 6

\[(+)*(+)=(+)\]
\[(-)*(-)=(+)\]
\[(+)*(-)=(-)\]
\[(-)*(+)=(-)\]

\[(+)+(+)=(+)\]
\[(-)+(-)=(-)\]