Perform the Matrix Operation $A = \left[ \begin{array} { r r } - 1 & 3 \\ 3 & 2 \end{array} \right]$

question 42

Multiple Choice

Perform the matrix operation.
-Given $A = \left[ \begin{array} { r r } - 1 & 3 \\ 3 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { l l } - 2 & 0 \\ - 1 & 2 \end{array} \right]$ , find $A B$ .

• A)
• \(\left[ \begin{array} { l l } 6 & - 1 \\ 4 & - 8 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l } - 1 & 6 \\ - 8 & 4 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 2 & - 6 \\ - 2 & 1 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } 2 & 0 \\ - 3 & 4 \end{array} \right]\)

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Definitions:

Positive Reinforcement

A technique used in behavior psychology to increase the likelihood of a desirable behavior by rewarding it.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Peer Learning

An educational approach where individuals learn from the expertise and insights of their equals or colleagues.

Cooperative Learning

An educational approach involving groups of students working together to solve a problem or achieve a common goal.