Fill in the Blank with One of the Words or Phrases

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l } \text { general term } & \text { common difference } & \text { finite sequence } & \text { common ratio } \\\text { Pascal's triangle } & \text { infinite sequence } & \text { factorial of } \mathbf { n } & \text { series } \\\text { geometric sequence } & \text { arithmetic sequence } & &\end{array}$$
-A(n) --------- is a sequence in which each term (after the first) differs from the preceeding term by a constant amount d. The constant d is called the ----------of the sequence

A) arithmetic sequence, common ratio
B) arithmetic sequence, common difference
C) geometric sequence, common difference
D) geometric sequence, common ratio