The Given Pattern Continues $$\frac { 1 } { 1 } , \frac { 1 } { 4 } , \frac { 1 } { 9 } , \frac { 1 } { 16 } , \frac { 1 } { 25 } , \ldots$$

question 160

Multiple Choice

The given pattern continues. Write down the nth term of the sequence suggested by the pattern.
- $$\frac { 1 } { 1 } , \frac { 1 } { 4 } , \frac { 1 } { 9 } , \frac { 1 } { 16 } , \frac { 1 } { 25 } , \ldots$$

• A) \(a _ { n } = \frac { 1 } { 3 n - 2 }\)
• B) \(a _ { n } = \left( \frac { 1 } { 2 } \right) ^ { n - 1 }\)
• C) \(a _ { n } = \frac { 1 } { n ^ { n - 1 } }\)
• D) \(a _ { n } = \frac { 1 } { n ^ { 2 } }\)

---

Definitions:

High-Frequency Sounds

Sounds that have a high pitch, typically those with a frequency of 2,000 Hz (Hertz) or higher, often beyond the range of human hearing as age increases.

Hearing Aid

A device designed to improve hearing by making sound audible to a person with hearing loss.

Adapt

The process of adjusting to new conditions or environments.

Dim Light

Low, insufficient lighting that makes vision difficult.