Welcome to Bytelearn!

Let’s check out your problem:

In a geometric sequence, the first term, $a_{1}$, is equal to $1$ , and the third term, $a_{3}$, is equal to $9$ . Which number represents the common ratio of the geometric sequence?$\newline$$r=2$$\newline$$r=3$$\newline$$r=4$$\newline$$r=5$