187,859 views
12 votes
12 votes
James deposited some money into a savings account to save for a motorcycle. Based on the interest rate of the account he estimates that his money will grow according to the following table. The values follow a geometric sequence. Qhat is the common ratio of the sequence?

James deposited some money into a savings account to save for a motorcycle. Based-example-1
User Taylored Web Sites
by
2.9k points

1 Answer

20 votes
20 votes

The common ratio (r) of a geometric sequence is found dividing two consecutive terms, as follows:


\begin{gathered} r=(1457)/(1428)=1.02 \\ r=(1486)/(1457)=1.02 \\ r=(1516)/(1486)=1.02 \\ r=(1546)/(1516)=1.02 \end{gathered}

The common ratio of the sequence is 1.02

User Thiago Custodio
by
2.8k points