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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 3 Page 579

Substitute values for n=1, 2, 3, 4, 5 to find the first 5 terms.

3, 8, 15, 24, and 35.

Practice makes perfect

We are given an explicit rule of a sequence and are asked to find the first 5 terms. a_n=n^2+2n To do so, we will construct a table.

n	a_n=n^2+2n	a_n
1	a_1= 1^2+2* 1	3
2	a_2= 2^2+2* 2	8
3	a_3= 3^2+2* 3	15
4	a_4= 4^2+2* 4	24
5	a_5= 5^2+2* 5	35

The first 5 terms of this explicit sequence are 3, 8, 15, 24, and 35.

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Exercises p.579