Solve the Matrix Equation for X $A = \left[ \begin{array} { r r } 5 & - 3 \\ 1 & 1 \\ 4 & 1 \end{array} \right]$

question 105

Multiple Choice

Solve the matrix equation for X.
-Let $A = \left[ \begin{array} { r r } 5 & - 3 \\ 1 & 1 \\ 4 & 1 \end{array} \right]$ and $B = \left[ \begin{array} { l l } - 3 & - 7 \\ - 3 & - 6 \\ - 6 & - 3 \end{array} \right] ; \quad X - B = A$

• A)
• \(\left[ \begin{array} { r r } 2 & - 10 \\ - 2 & - 5 \\ - 2 & - 2 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r } 84 \\ 47 \\ 102 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 2 & - 10 \\ 2 & 1 \\ - 2 & 2 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } 2 & 1 \\ - 2 & - 5 \\ - 2 & - 2 \end{array} \right]\)

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Definitions:

Functionalists

Scholars or theorists who focus on the purpose or role that an element of society or a psychological phenomenon serves.

Correlation Coefficient

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of a linear relationship between them.

Variables

Elements, features, or factors that are likely to vary or change and can be manipulated, measured, or controlled in scientific research.

Independent Variable

A factor or condition that is intentionally varied by the researcher to observe its impact on the dependent variable in an experiment.