Question

Complete the conjecture: The product of two odd numbers is _____.
A.odd
B.prime
C.even
D.negative

Answer 1

odd

Answer 2

Do you know why?

Answer 3

Multiply some odd numbers and figure it out.

Answer 4

(2k+1) * (2J+1) when j and k are integers
4kj+2j+2k+1 = 2(2kj+k+j)+1 thus = 2z+1 for some z in integers... thus odd

Answer 5

exactly as shown by zzr0ck3r

Answer 6

note: any odd number can be written as 2k+1 where k is some integer.

Answer 7

I DID AND IT'S ODD AS MY ANSWER

Answer 8

:)