Mathematics for IGCSE & O level - Sequences (Section 3 - No. 25)
Which of these statements about sequences are correct?
A linear sequence has a constant difference.
The nth term is always the same as the term-to-term rule.
A quadratic sequence has a second constant difference.
Exponential sequences increase by a constant amount.
Explication
A linear sequence has a constant difference. A quadratic sequence has a second constant difference. Exponential sequences multiply by a constant amount.