Use Technology to Solve the System of Equations $\begin{array} { l } 1.6 x + 2.4 y - 3.2 z = 17.6 \\5.1 x - 6.3 y + 0.6 z = - 12.8 \\4.2 x + 3.5 y + 4.9 z = 40.4\end{array}$

question 39

Multiple Choice

Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place.
$\begin{array} { l } 1.6 x + 2.4 y - 3.2 z = 17.6 \\5.1 x - 6.3 y + 0.6 z = - 12.8 \\4.2 x + 3.5 y + 4.9 z = 40.4\end{array}$

• A) \(( 3.2,11.0 , - 0.7 )\)
• B) \(( 5.2,5.5 , - 0.7 )\)
• C) \(( 5.2,11.0 , - 0.7 )\)
• D) \(( 5.2,5.5,0.7 )\)
• E) \(( 4.2,5.5,0.7 )\)

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Definitions:

Survey Data

Information or insights collected systematically from questionnaires or interviews, often used in research to analyze opinions, behaviors, or characteristics of a population.

Sexual Harassment

constitutes unwanted, unwelcome behavior of a sexual nature that affects a person’s employment, academic standing, or participation in programs.

Temp

Short for temporary, often used to describe workers or employment that is intended to last only for a limited period.

Office Workers

Individuals who perform administrative or clerical tasks in an office setting, often using computers, telephones, and other office equipment.