The First Several Terms of a Sequence Are Given $$2 , - 7,12 , - 17 , \ldots ; \mathrm { S } _ { 6 }$$

question 19

Multiple Choice

The first several terms of a sequence are given. Find the indicated partial sum.
- $$2 , - 7,12 , - 17 , \ldots ; \mathrm { S } _ { 6 }$$

• A)7
• B)-15
• C)-13
• D)15

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Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, which carries genetic information.

DNA

A molecule known as deoxyribonucleic acid, it is crucial for conveying genetic guidelines necessary for the growth, maturation, function, and reproduction of every known living organism and a wide array of viruses.

Nucleus

An organelle found in eukaryotic cells that contains most of the cell's genetic material.

Gene

Functional unit of heredity. Each gene occupies a specific place, or locus, on a chromosome; it is capable of reproducing itself exactly at each cell division; it often is capable of directing the formation of an enzyme or another protein.