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) \(a _ { n } = \frac { 1 } { n ^ { 2 } }\)

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Definitions:

Bipedalism

The ability to walk upright on two legs, a key trait in human evolution that distinguishes humans from most other primates.

Human Evolution

The lengthy process of change by which people originated from apelike ancestors, involving biological, physical, and genetic developments.

Incomplete Fossil Record

The partial preservation of organisms in the Earth's crust, which provides an incomplete view of the history of life.

Human Ancestors

Refers to species in the evolutionary lineage that led to modern humans, including various extinct hominins that share common traits and genetic material with Homo sapiens.