Use the Matrix Capabilities of a Graphing Utility to Find $A B$

question 119

Multiple Choice

Use the matrix capabilities of a graphing utility to find $A B$ , if possible.
$A = \left[ \begin{array} { c c c } - 7 & 5 & 2 \\0 & 1 & 8 \\2 & 8 & - 2\end{array} \right] , B = \left[ \begin{array} { c c c } 4 & 3 & - 9 \\- 4 & - 1 & - 3 \\9 & 8 & 1\end{array} \right]$

• A) \(\left[ \begin{array} { c c c } - 28 & 15 & - 18 \\ 0 & - 1 & - 24 \\ 18 & 64 & - 2 \end{array} \right]\)
• B) \(\left[ \begin{array} { c c c } - 66 & - 42 & 46 \\ - 76 & - 65 & - 11 \\ - 6 & 14 & - 40 \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c } - 30 & 68 & - 42 \\ - 10 & 63 & - 18 \\ 50 & 5 & - 44 \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c } - 30 & - 10 & 50 \\ 68 & 63 & 5 \\ - 42 & - 18 & - 44 \end{array} \right]\)
• E) not possible

---

Definitions:

Southern Strategy

A Republican Party electoral strategy to increase political support among white voters in the South by appealing to racism against African Americans.

Richard Nixon

The 37th President of the United States, serving from 1969 to 1974, known for ending American involvement in Vietnam and for his resignation following the Watergate scandal.

Civil War

A war between citizens of the same country, often characterized by intense, internal conflict over political, social, or economic issues.

Modern Republican Party

Refers to the contemporary iteration of the Republican Party in the United States, which emphasizes conservative economic policies, strong national defense, and varying stances on social issues.