Math Problem Statement
Find the 7th term of the geometric sequence shown below.
6, x, squared, comma, minus, 24, x, to the power 6 , comma, 96, x, to the power 10 , comma, point, point, .
6x2,−24x6,96x10,...
Solution
To find the 7th term of the geometric sequence, we first need to identify the common ratio, , of the sequence.
Given sequence:
Step 1: Determine the common ratio
The common ratio is found by dividing the second term by the first term:
Step 2: Verify the common ratio with subsequent terms
Now, let's verify by dividing the third term by the second term:
Since the common ratio is consistent, we can use it to find the 7th term.
Step 3: Use the formula for the -th term of a geometric sequence
The formula for the -th term of a geometric sequence is:
For the 7th term :
Step 4: Simplify the expression
Thus,
Final Answer
The 7th term of the geometric sequence is .
Would you like a more detailed explanation, or do you have any questions? Here are some related questions:
- How do you find the common ratio in a geometric sequence?
- What is the formula for the general term of a geometric sequence?
- How can you verify if a sequence is geometric?
- What is the 5th term of the same sequence?
- How does changing the common ratio affect the sequence?
Tip: In a geometric sequence, the ratio between consecutive terms remains constant, which is key to solving problems like this one.
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Math Problem Analysis
Mathematical Concepts
Geometric Sequences
Exponents
Formulas
Common ratio r = a_n / a_(n-1)
n-th term of geometric sequence: a_n = a_1 * r^(n-1)
Theorems
Geometric Sequence Theorem
Suitable Grade Level
Grades 9-12
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