Use Matrices to Solve the System of Equations (If Possible)

question 91

Multiple Choice

Use matrices to solve the system of equations (if possible) .Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.

• A) x = -2, y = 1
• B) x = 2, y = -1
• C) x = -1, y = 2
• D) x = -1, y = -2
• E) no solution

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Definitions:

Confidence Interval

A range of values derived from sample data that is believed, with a certain level of confidence, to contain the true value of the population parameter.

Population Proportions

The fraction or percentage of items in a particular category within the entire population.

Parents

In genetics, the organisms that give rise to offspring, but in programming (especially object-oriented programming), it refers to the superior or controlling classes in hierarchical relationships.

Defect

A flaw or imperfection in a product, process, or system that fails to meet specified criteria.