SOLUTION: If m is an odd integer, which expression always represents an odd integer? A) 3^m - 1 B) (m - 1)/2 C) (2m - 1)^2 D) (m + 1)^2 E) m^2 + 2m + 1 Please explain how I could a

Algebra ->  Divisibility and Prime Numbers  -> Lessons -> SOLUTION: If m is an odd integer, which expression always represents an odd integer? A) 3^m - 1 B) (m - 1)/2 C) (2m - 1)^2 D) (m + 1)^2 E) m^2 + 2m + 1 Please explain how I could a      Log On


   



Question 474828: If m is an odd integer, which expression always represents an odd integer?
A) 3^m - 1
B) (m - 1)/2
C) (2m - 1)^2
D) (m + 1)^2
E) m^2 + 2m + 1
Please explain how I could approach and solve this, thanks!

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Choice C, because (2m - 1) is odd, so (2m - 1)^2 will always be odd.