Question

x(x+1) is an odd number. tell if it is sometimes, always, or never true. explain your reasoning

Answer 1

Isn't x and x+1 consecutive numbers?

Answer 2

Assuming x are integers

Answer 3

ok

Answer 4

i dont understand

Answer 5

Doesn't every pair of numbers on the number line contain one even and one odd?

Answer 6

These are just some integers

Look at the pair 1,2
look at the pair 2,3
and so on...
every pair contains one even and one odd