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Pearson Algebra 2 Common Core, 2011

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Pearson Algebra 2 Common Core, 2011 View details

Mid-Chapter Quiz

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Exercise 12 Page 579

Pay close attention to how terms are related and how each term is related to its position.

a_n=n^2+1

Practice makes perfect

We want to write an explicit formula for the given sequence.

2, 5, 10, 17, ... Note that all terms in the sequence are square numbers +1. We will use this to write the formula.

a_1	a_2	a_3	a_4	...	a_n
1^2+1	2^2+1	3^2+1	4^2+1	...	n^2+1
2	5	10	17	...

Subchapter links

Exercises p.579