Evaluate the Expression A) $\left[ \begin{array} { c c } 8 & 6 \\ - 3 & - 7 \end{array} \right]$

question 31

Multiple Choice

Evaluate the expression.
$\left[ \begin{array} { c c } 4 & - 3 \\- 9 & 1\end{array} \right] + \left[ \begin{array} { c c } 2 & 8 \\- 2 & - 4\end{array} \right] + \left[ \begin{array} { c c } - 2 & - 1 \\- 8 & 4\end{array} \right]$

• A) \(\left[ \begin{array} { c c } 8 & 6 \\ - 3 & - 7 \end{array} \right]\)
• B) \(\left[ \begin{array} { c c } 4 & 4 \\ - 19 & 1 \end{array} \right]\)
• C) \(\left[ \begin{array} { c c } 6 & 5 \\ - 11 & - 3 \end{array} \right]\)
• D) \(\left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right]\)
• E) not possible

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Definitions:

Neutralizes

To make chemically neutral, cancelling out acidic or basic properties, or to render something ineffective or harmless.

Photolysis

The decomposition or separation of molecules by the action of light.

Stratospheric Penetrations

The entry or movement of substances or objects into the stratosphere, the second major layer of Earth's atmosphere.

Nitrogen Dioxide

A toxic, reddish-brown gas (NO2) that is a significant air pollutant, resulting from the combustion of fossil fuels and is associated with respiratory diseases.