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

question 5

Multiple Choice

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

• A) x = -5, y = -3, z = 2
• B) x = 3, y = -5, z = -2
• C) x = 5, y = -3, z = 2
• D) no solution
• E) x = 5, y = 3, z = 2

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Definitions:

Highway

A main road, especially one connecting major towns or cities, designed for faster traffic.

Heavy-duty

Refers to vehicles, machinery, or equipment designed for strenuous tasks or to withstand harsh conditions, often with enhanced durability and performance capabilities.

Fifth Wheel

The lower coupler assembly used on most highway tractors and lead trailers; typically consists of a pivot plate and locking jaws that engage to the kingpin upper coupler on a trailer.

Trailer

A transport vehicle without a motor, designed to be towed by another vehicle.