Solve the System of Equations Using Cramerʹs Rule If It

question 391

Multiple Choice

Solve the system of equations using Cramerʹs Rule if it is applicable. If Cramerʹs Rule is not applicable, say so.
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• A)x = 1, y = 2, z = 8; (1, 2, 8)
• B)x = 2, y = 8, z = 2; (2, 8, 2)
• C)x = 1, y = -2, z = -8; (1, -2, -8)
• D)x = 2, y = 0, z = 8; (2, 0, 8)

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Definitions:

Test Market

A geographic region or demographic group used by companies to evaluate the potential success of a new product or service before a wider release.

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A brand of breakfast cereals produced by the Kellogg Company, known for its wide range of products.

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A sampling technique that ensures every member of a population has a known and equal chance of being selected for the sample.