Use the Formula for the General Term of an Arithmetic $a _ { 13 }$

question 291

Multiple Choice

Use the Formula for the General Term of an Arithmetic Sequence
Choose the one alternative that best completes the statement or answers the question.
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the
sequence with the given first term, a1, and common difference, d.
-Find $a _ { 13 }$ when $a _ { 1 } = 20 , d = - 3$ .

• A) \(- 16\)
• B) \(- 19\)
• C) \(- 36\)
• D) 56

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Definitions:

Biochemical Code

The complex sequences of biochemical signals and processes that govern the functioning of living organisms.

Eye Color

The color of the iris, determined by genetics, which can range from blue, green, brown, to variations of these colors.

Genes

Units of heredity made up of DNA that influence the development of an organism's traits and are passed from parents to offspring.

Natural Selection

A process in evolutionary biology where organisms better adapted to their environment tend to survive and produce more offspring.