## Algebra 1: Common Core (15th Edition)

$a_{n} = a_{n-1} + 0.8$
We observe that 0.8 is added to each term to get the next term, for example: 1.1 + 0.8 = 0.9 Hence, the recursive formula will be given as: $a_{n} = a_{n-1} + 0.8$