Add or Subtract $- 2 \sqrt { 8 } - 2 \sqrt { 18 } - 8 \sqrt { 32 }$

question 57

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $- 2 \sqrt { 8 } - 2 \sqrt { 18 } - 8 \sqrt { 32 }$

• A) \(- 12 \sqrt { 2 }\)
• B) \(- 2 \sqrt { 2 }\)
• C) \(- 42 \sqrt { 2 }\)
• D) \(12 \sqrt { 2 }\)

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Definitions:

Covalent

Describing a type of chemical bond formed by the sharing of electrons between atoms.

Ionic

Relating to ions or the chemical bonds formed through the electrical attraction between oppositely charged ions.

Bonding

The attractive force that holds atoms or ions together in a molecule or compound, forming a stable substance.

Lewis Structure

A schematic that outlines the atomic connections within a molecule and highlights any existing unbonded electron pairs.