Arithmetic Sequence
Definition
An arithmetic sequence is a list of numbers where each term after the first term can be obtained by adding or subtracting a constant difference from its preceding term.
Analogy
Think about climbing stairs. If each step has an equal height difference from one another, then it forms an arithmetic staircase. Each time you climb up or down, you add or subtract the same amount from your previous position.
Related terms
Geometric Sequence: A geometric sequence is a list of numbers where each term after the first term can be obtained by multiplying or dividing a constant ratio from its preceding term.
Recursive Formula: A recursive formula defines the terms of a sequence by relating each term to one or more previous terms.
Common Difference: The common difference in an arithmetic sequence is the constant value that is added or subtracted to obtain subsequent terms.
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