Question

For each sequence, state if it us arithmetic, geometric, or neither
3) 1, 8, 15, 22, 29, ...
5) 18, 27, 36, 45, 54, ...
4) -34,-40, -46, -52, -58,...
6) 8. 12, 16, 20, 24,...

Answer 1

3) Arithmetic; the common difference is 7.
5) Arithmetic; the common difference is 9.
4) Arithmetic; the common difference is -6.
6) Arithmetic; the common difference is 4.