Quadratic sequences
Intros
Examples
Lessons
- Identifying the a,b,c's
The nth term of a quadratic sequence is always in the form:
For each following quadratic expressions, find the values of a, b, c. Then list the first three terms of the sequence: - Finding the second common difference
Find the second common difference of the following sequence:
3, 13, 27, 45, 67, ... - Find the second common difference of the following sequence:
1, 5, 15, 31, 53, ... - Finding the nth term
Find the nth term of the following quadratic sequence:
8, 11, 16, 23, ... - Find the nth term of the following quadratic sequence:
7, 16, 27, 40, ...