Determine If the Sequence Is Arithmetic $$a _ { n } = \frac { 7 n - 1 } { 8 }$$

Multiple Choice

Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.
- $$a _ { n } = \frac { 7 n - 1 } { 8 }$$

A) yes, $- \frac { 1 } { 8 }$
B) yes, 7
C) yes, $\frac { 7 } { 8 }$
D) no