Multiply, and Then Simplify If Possible $\sqrt { 7 } ( \sqrt { 5 } + \sqrt { 3 } )$

question 132

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $\sqrt { 7 } ( \sqrt { 5 } + \sqrt { 3 } )$

• A) \(8 \sqrt { 7 }\)
• B) \(\sqrt { 56 }\)
• C) \(7 \sqrt { 5 } + 7 \sqrt { 3 }\)
• D) \(\sqrt { 35 } + \sqrt { 21 }\)

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Definitions:

Transverse Foramen

A characteristic feature of cervical vertebrae, through which the vertebral arteries pass.

Xiphoid Process

The smallest and most inferior part of the sternum, or breastbone, contributing to the definition of the lower boundary of the thoracic cavity.

False Ribs

The lower ribs (usually ribs 8 through 12) that are not directly attached to the sternum but are connected to the true ribs above them by cartilage.

Costal Cartilage

Bars of hyaline cartilage that extend the ribs anteriorly and contribute to the elasticity of the chest wall.