### Home > PC > Chapter 8 > Lesson 8.1.2 > Problem8-28

8-28.

Fill in the values in the table to help you determine the first five terms in the sequence:

$t_{n+1} = t_{n} + 2n; t_{1} = 5$

$n$

$t_{n}$

$t_{n+1} = t_{n }+ 2n$

$1$

$5$

$t_2 = 5 + 2(1)$

$2$

$3$

$4$

$5$

$n = 2$
$t_{2} = 7$
$t_{2 + 1} = t_{2} + 2n = 7 + 2(2)$