Use a Graphing Utility to Solve the System of Equations

question 405

Multiple Choice

Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
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• A)x = 1.18, y = 1.03; x = 1.07, y = 1.52; x = -0.91, y = 2.88 or (1.18, 1.03), (1.07, 1.52), (-0.91,2.88)
• B)x = 1.99, y = 0.13; x = 1.04, y = 1.70; x = -0.91, y = 2.95 or (1.99, 0.13), (1.04, 1.70), (-0.91, 2.95)
• C)x = 1.81, y = 0.28; x = 0.20, y = 2.45; x = -0.20, y = -2.45 or (1.81, 0.28), (0.20, 2.45), (-0.20, -2.45)
• D)No real solution exists.

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Definitions:

Clustering

A process of grouping a set of objects or individuals based on similarities, often used in data analysis to identify patterns or classifications.

Encoding

The process of converting information into a form that allows it to be stored in our memory.

Attention

The cognitive process of selectively concentrating on one aspect of the environment while ignoring other things.

Early-Selection Model

A theory in cognitive psychology suggesting that information is filtered, or selected for further processing, early in the perceptual process.