Factor
- $25 - 81 x ^ { 2 }$ A) $( 5 - 9 x ) ^ { 2 }$

question 43

Multiple Choice

Factor.
- $25 - 81 x ^ { 2 }$

• A) \(( 5 - 9 x ) ^ { 2 }\)
• B) \(( 5 + 9 x ) ( 5 - 9 x )\)
• C) \(( 5 + 9 x ) ^ { 2 }\)
• D) prime polynomial

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Definitions:

Line Voltage

The voltage measured between any two lines in a multi-phase electrical power system, often higher than the voltage from any one line to neutral.

Phase Voltage

The voltage measured in a single phase of a multi-phase system, often in a three-phase electrical system, relative to neutral.

Alternator

A machine used to generate AC by rotating conductors through a magnetic field.

Capacitance

The ability of a system to store an electrical charge per unit voltage, represented in farads.