Factor Using the Ac-Method

question 107

Multiple Choice

Factor using the ac-method.
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• A) (x + 3)(x - 7)
• B) (x + 3)(x + 7)
• C) (x - 3)(x - 7)
• D) (x - 3)(x + 7)

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Definitions:

Experiments

Research methods involving the manipulation of one or more variables to determine their effects on a dependent variable, allowing for the establishment of cause-and-effect relationships.

Random Sampling

A technique for selecting a sample from a population in a way that every individual has an equal chance of being chosen.

Random Assignment

A method used in experiments to place participants into different groups in a way that every individual has an equal chance of being assigned to any group, ensuring the fairness and validity of the research.

Correlational Studies

Research methods that examine the relationship between variables without determining cause and effect.