Use the Formula for the General Term of a Geometric $$\mathbf { a } _ { 1 }$$

Multiple Choice

Use the Formula for the General Term of a Geometric SequenceUse the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the
sequence with the given first term, $$\mathbf { a } _ { 1 }$$ , and common ratio, r.
- $$a _ { n } = 5 n ^ { 2 }$$

A) geometric, $r = 5$
B) geometric, $r = \frac { 5 } { 2 }$
C) arithmetic, $\mathrm { d } = 5$
D) neither