Use Cramer's Rule to Solve the System of Equations $D = 0 ; \varnothing$

question 104

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
x+y=1
x+y=5

• A) Cramer's rule does not apply since \(D = 0 ; \varnothing\)
• B) \(\{ ( 1,5 ) \}\)
• C) \(\{ ( 0,6 ) \}\)
• D) Cramer's rule does not apply since \(\mathrm { D } = 0 ; \{ ( 5 - \mathrm { y } , \mathrm { y } ) \}\)

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Definitions:

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Level Scheduling

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Aggregate Planning Horizon

The timeframe over which a company plans its overall production levels and inventory positions to meet forecasted demand, typically ranging from 3 to 18 months.

Hiring And Layoffs

Employment practices that involve adding new employees to the workforce or releasing employees from a company, typically due to economic conditions or company restructuring.