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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 2 Page 579

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

-3, -5, -7, -9, and -11.

Practice makes perfect

We are given an explicit rule of a sequence and are asked to find the first 5 terms.

a_n=-2n-1 To do so, we will construct a table.

n	a_n=-2n-1	a_n
1	a_1=-2* 1-1	-3
2	a_2=-2* 2-1	-5
3	a_3=-2* 3-1	-7
4	a_4=-2* 4-1	-9
5	a_5=-2* 5-1	-11

The first 5 terms of this explicit sequence are -3, -5, -7, -9, and -11.

Subchapter links

Exercises p.579