High School Maths Examples and Questions

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Quadratic Sequences

This is where the difference between each number in the sequence is not the same

Note: from the above three examples:
If the 2nd difference in (a) is equal 2, the nth term formula will include n2
If the 2nd difference in (a) is equal 4, the nth term formula will include 2n2
If the 2nd difference in (a) is equal 6, the nth term formula will include 3n2


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