Factor the Trinomial Completely $r ^ { 2 } - 4 r - 5$

question 216

Multiple Choice

Factor the trinomial completely. $r ^ { 2 } - 4 r - 5$

• A) \(( r + 5 ) ( r + 1 )\)
• B) \(( r - 5 ) ( r + 1 )\)
• C) \(( r + 5 ) ( r - 1 )\)
• D) \(( r - 5 ) ( r - 1 )\)
• E) not factorable

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