Add or Subtract $\sqrt { 112 } + \sqrt { 448 }$

question 273

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $\sqrt { 112 } + \sqrt { 448 }$

• A) \(- 4 \sqrt { 7 }\)
• B) \(12 \sqrt { 14 }\)
• C) 84
• D) \(12 \sqrt { 7 }\)

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Definitions:

Gettysburg

A historic town in Pennsylvania, known as the site of a pivotal Civil War battle in 1863 and Abraham Lincoln's Gettysburg Address.

Emancipation Proclamation

A presidential decree issued by Abraham Lincoln on January 1, 1863, declaring the freedom of all slaves in Confederate territory, marking a pivotal moment in the United States Civil War.

Union Army

The army that represented the Northern states of the United States during the American Civil War.

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Individuals who were emancipated from the condition of slavery, particularly following the Civil War in the United States.