### Home > CCA2 > Chapter B > Lesson B.1.4 > ProblemB-49

B-49.

Consider the sequence $2, 8, 3y + 5, \ …$.

1. Find the value of $y$ if the sequence is arithmetic.

Figure out what the third term should be based on the first two terms.
Then use the result to figure out the value of $y$.

The third term should be $14$.

$y = 3$

2. Find the value of $y$ if the sequence is geometric.

Refer to part (a) for the solution strategy, but this time find $3y + 5$ assuming the sequence is geometric.