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

question 76

Multiple Choice

Perform the matrix operation.
-Let $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$ and $D = \left[ \begin{array} { r } - 1 \\ 3 \\ - 2 \end{array} \right]$ . Find $C - 2 D$

• A)
• \(\left[ \begin{array} { r } 3 \\ - 9 \\ 6 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r } - 1 \\ 3 \\ - 2 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r } 3 \\ - 6 \\ 4 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r } - 3 \\ 9 \\ - 6 \end{array} \right]\)

Apply the formula for density to solve for mass when density and volume are known.

Apply the formula for density to solve for volume when density and mass are known.

Differentiate between the densities of different states of matter and understand that liquids can be denser than solids in some cases.

Develop the ability to perform comparative analysis of density to determine which sample or measurement is most accurate or appropriate for specific conditions.

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