Factor the Trinomial Completely $a ^ { 2 } + 8 a - 48$

question 20

Multiple Choice

Factor the trinomial completely. $a ^ { 2 } + 8 a - 48$

• A) \(( a + 4 ) ( a - 12 )\)
• B) \(( a - 4 ) ( a + 12 )\)
• C) \(( a + 4 ) ( a + 12 )\)
• D) \(( a - 4 ) ( a - 12 )\)
• E) not factorable

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Definitions:

Statistically Significant

A determination that a relationship observed in a dataset is unlikely to have occurred by chance, according to a predefined significance level.

Significance Level

This is the probability of rejecting the null hypothesis when it is true, usually denoted by alpha (α), and used as a threshold for determining statistical significance.

Null Hypothesis

A hypothesis that states there is no significant difference or effect, typically to be tested against an alternative hypothesis.

Expected Number

A statistical term referring to the calculated average or mean value anticipated in a probability distribution or experiment.