Find the First Term and the Common Ratio for the Geometric

question 168

Multiple Choice

Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.
- $$a _ { 2 } = - 16 , a _ { 5 } = 128$$

• A) \(\mathrm { a } _ { 1 } = 8 , \mathrm { r } = - 2\)
• B) \(\mathrm { a } _ { 1 } = 8 , \mathrm { r } = - 0.5\)
• C) a \(\mathrm { a } _ { 1 } = 128 , \mathrm { r } = - 0.5\)
• D) \(\mathrm { a } _ { 1 } = 16 , \mathrm { r } = 2\)

---

Definitions:

Reciprocity

A social norm dictating that people should return the help or kindness they receive from others.

Communicator

A person or device that transmits or exchanges information.

Audience

A group of individuals who gather to watch, listen to, or read a performance, presentation, or work of art.

Motive

An internal driving force that causes a person to take action and pursue goals.