Define Number Sequence
A number sequence is an ordered set of numbers with a rule to find every number in the sequence.
Arithmetic (Linear) Sequence
In an arithmetic (linear) sequence, the difference or chamge between one term and the next is always the same number. This means that the change in an arithmetic sequence is always constant.
Define Sequence
A sequence is a set of terms, in a definite order, wheee the terms are obtained by some rule.