$\left\{ \begin{aligned}x - y + 8 z & = - 107 \\6 x + z & = 17 \\3 y - 5 z & = 89\end{aligned} \right.$

question 85

Multiple Choice

$\left\{ \begin{aligned}x - y + 8 z & = - 107 \\6 x + z & = 17 \\3 y - 5 z & = 89\end{aligned} \right.$

• A) x=-5, y=8, z=13
• B) x=5, y=-8, z=-13
• C) x=-5, y=-8, z=13
• D) x=5, y=8, z=-13

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Definitions:

Word Learning

the process by which individuals, especially infants and children, acquire the ability to understand, speak, and use words as part of language development.

Concrete Memory Aids

Physical objects or tools used to assist in the recollection of memories or information, such as flashcards or mnemonic devices.

Labeling Strategies

Techniques or methods used in identifying and classifying items or individuals into categories based on specific criteria.

Cognitive Development

Cognitive development pertains to the growth and change in mental abilities such as thinking, reasoning, and understanding over the course of a person's life.