Factor the Trinomial Completely $m ^ { 2 } - 4 m - 21$

question 120

Multiple Choice

Factor the trinomial completely. $m ^ { 2 } - 4 m - 21$

• A) \(( m - 7 ) ( m - 3 )\)
• B) \(( m + 7 ) ( m - 3 )\)
• C) \(( m - 7 ) ( m + 3 )\)
• D) \(( m + 7 ) ( m + 3 )\)
• E) not factorable

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Definitions:

Time Periods

Specific intervals or spans of time during which certain events or measurements are taken or analyzed.

Indicator Variables

These are binary variables used in statistical models to represent the presence (with a value of 1) or absence (with a value of 0) of a particular condition or characteristic.

Seasonal Variations

Refers to fluctuations in data or activities that occur regularly based on seasonal changes throughout the year.

Trend Component

A component of time series data that represents the consistent, long-term direction of the data over time.