Solve the System of Equations $$\begin{array} { c } x + 3 y + 4 z = - 13 \\3 y + 2 z = - 9 \\z = - 3\end{array}$$

question 103

Multiple Choice

Solve the system of equations.
- $$\begin{array} { c } x + 3 y + 4 z = - 13 \\3 y + 2 z = - 9 \\z = - 3\end{array}$$

• A) \(\{ ( - 1,2 , - 3 ) \}\)
• B) \(\{ ( - 3 , - 1,2 ) \}\)
• C) \(\{ ( 2 , - 3 , - 1 ) \}\)
• D) \(\{ ( 2 , - 1 , - 3 ) \}\)

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Definitions:

Active Cell Reference

The address of the cell in a spreadsheet that is currently selected or being acted upon, indicated by its column letter and row number.

Formula Bar

A toolbar at the top of applications like Microsoft Excel which allows users to enter or view equations or formulas that apply to cells in spreadsheets.

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A type of graph used in statistics where data points are plotted and then connected by line segments, with the area underneath the line filled in to emphasize the volume.