What is the 7th term of the geometric sequence?
-7, 21, -63, 189, …
To find the 7th term of the geometric sequence , follow these steps:
1.Identify the first term and the common ratio r:
The first term .
Calculate the common ratio (r) by dividing the second term by the first term:
2.Use the formula for the (n)-th term of a geometric sequence:
The formula is:
For the 7th term n = 7:
Click "Show Answer" to reveal the answer and analysis
Access thousands of practice questions with detailed explanations on Scholardog.