An Augmented Matrix That Represents a System of Linear Equations

question 19

Multiple Choice

An augmented matrix that represents a system of linear equations (in variables x, y, and z) has been reduced using Gauss-Jordan elimination. Write the solution represented by the augmented matrix.

• A) x = 0, y = 0, z = 0
• B) x = -5x, y = -4y, z = -3z
• C) x = -5, y = -3, z = -4
• D) x = 5, y = 3, z = 4
• E) x = -5, y = 0, z = 0

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Definitions:

Socioeconomic Classes

Categories of people living together in a society who have a similar level of wealth, education, and occupational prestige.

Down Syndrome

A genetic disorder caused by the presence of an extra chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

Extra Chromosome

An additional chromosome in the genetic makeup of an individual, which can lead to developmental abnormalities or genetic disorders, such as Down syndrome.

Mildly Intellectually Disabled

Describes individuals with below-average cognitive ability, often characterized by limitations in intellectual function and adaptive behavior.