Solve the System by the Method of Substitution

question 16

Multiple Choice

Solve the system by the method of substitution.

• A) (12, 5), (-12, -5)
• B) (12, 5)
• C) (12, 5), (-12, 5), (-12, -5), (12, -5)
• D) (5, 12), (5, -12)
• E) no real solution

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Definitions:

Intelligence Quotient

A measure of a person's intellectual abilities in relation to the average performance of others in their age group.

Deviation Scores

Statistical measures that indicate the difference between an observed value and the mean of a dataset, showing how far from the "normal" a particular value lies.

Normal Distribution

A bell-shaped distribution of data where most values cluster around a central mean or average value.

Mental Age

An estimate of an individual's level of cognitive development compared to others, based on performance in intelligence tests.