About Course
Learn to spot a quadratic sequence from its second differences and find its nth term in the form an² + bn + c. Includes several fully worked examples, a quick algebraic method, and how to test whether a number belongs to a sequence.
This course is for general learning and revision. It is written by Tutwoo and is not produced or endorsed by any exam board. Always check your own exam board’s specification and your teacher’s guidance.
Course Content
Course Lessons
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Recognising quadratic sequences
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Finding the nth term
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Using the nth term and an algebraic shortcut
Sources & Further Reading
Final Assessment
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