Solve the System of Equations by Using an Inverse Matrix

question 73

Multiple Choice

Solve the system of equations by using an inverse matrix.
-4x + y - 2z - w = 6 -x + 4y + z - 2w = 10
4x - 2y + 4z + w = -22
-2x - y - z - 2w = 7

• A) (-1, 2, -3, -2)
• B) ɸ
• C) (-3, 4, -1, -4)
• D) (-1, -2, 3, 2)

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Definitions:

Cycle Billing

A billing practice where customers' bills are produced at different times during the month based on a predetermined schedule or cycle.

Collection Agency Transaction

The process or action where a business specializing in collecting debts manages or conducts a financial operation, usually the collection of overdue accounts.

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Cycle Billing is a process where bills are generated for different groups of customers at various times during the month, rather than all at once.

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A billing system where charges for services or goods are invoiced or billed on a monthly basis.