Divide
- $$- 7 \mathrm { i } \div ( - 2 + 8 \mathrm { i } )$$

question 218

Multiple Choice

Divide.
- $$- 7 \mathrm { i } \div ( - 2 + 8 \mathrm { i } )$$

• A) \(\frac { 14 } { 15 } - \frac { 7 } { 30 } \mathrm { i }\)
• B) \(\frac { 14 } { 17 } + \frac { 7 } { 34 } \mathrm { i }\)
• C) \(- \frac { 14 } { 17 } + \frac { 7 } { 34 } \mathrm { i }\)
• D) \(- \frac { 14 } { 15 } - \frac { 7 } { 30 } \mathrm { i }\)

---

Definitions:

Welded Tuff

A type of rock formed by the compaction and cementation of volcanic ash and debris, heated enough post-deposition to weld together.

Scoria

A dark gray, black, or reddish volcanic rock that contains abundant vesicles, usually having the composition of basalt or andesite; synonymous with volcanic cinders.

Basalt

A dark, fine-grained volcanic rock formed from the rapid cooling of magnesium- and iron-rich lava, characteristic of oceanic crust.

Basaltic Lava

A type of lava that flows from volcanic eruptions, characterized by its low viscosity and high iron and magnesium content.