Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } x - y + 2 z + w = 4 \\y + z = 4 \\z - w = 3\end{array}$$

question 144

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
- $$\begin{array} { l } x - y + 2 z + w = 4 \\y + z = 4 \\z - w = 3\end{array}$$

• A) \(\{ ( - 5,0,4,1 ) \}\)
• B) \(\{ ( - 1,1,3 , w ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( - 1 - 4 w , 1 - w , 3 + w , w ) \}\)

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Definitions:

Strip Bond

A bond variant where the capital and ongoing interest payments are split and each sold as separate zero-coupon bonds.

Compounded Semi-annually

Interest that is compounded and added to the principal twice per year, emphasizing the process of growth due to reinvestment of interest.

Issue Price

The price at which a new issue of securities is offered to the public.

Strip Bond

A bond where both the principal and regular interest payments have been removed, typically sold at a discount and pays no interest until maturity.