Use the Matrix Capabilities of a Graphing Utility to Evaluate

question 57

Multiple Choice

Use the matrix capabilities of a graphing utility to evaluate the expression.Round your results to three decimal places,if necessary.​ $$\frac { 3 } { 7 } \left[ \begin{array} { c c } - 6 & 6 \\2 & - 4\end{array} \right] + 6 \left[ \begin{array} { c c } 8 & 2 \\- 5 & - 4\end{array} \right]$$ ​

• A) \[\left[ \begin{array} { c c }
• 45.429 & 14.571 \\
• - 29.143 & - 25.714
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c }
• 47.429 & 14.571 \\
• - 25.714 & - 29.143
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c c }
• 49.429 & - 25.714 \\
• - 29.143 & 14.571
• \end{array} \right]\]
• D) \[\left[ \begin{array} { l l }
• 43.429 & - 29.143 \\
• 14.571 & - 25.714
• \end{array} \right]\]
• E) \[\left[ \begin{array} { c c }
• 41.429 & 14.571 \\
• - 29.143 & - 25.714
• \end{array} \right]\]

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Definitions:

Clinical Psychology

A branch of psychology that studies, assesses, and treats people with psychological disorders.

Personality Psychology

The branch of psychology that studies personality and its variation among individuals, focusing on psychological patterns, traits, and behaviors.

Psychiatry

A branch of medicine dealing with psychological disorders; practiced by physicians who sometimes provide medical (for example, drug) treatments as well as psychological therapy.

Psychological Perspectives

Various approaches and viewpoints in psychology for understanding human behavior and mental processes.