Find a Matrix a and a Column Matrix B That $\mathrm { AB } = \left[ \begin{array} { r } 1068 \\ 924 \end{array} \right]$

question 254

Multiple Choice

Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the
matrix product AB, and interpret the significance of the entries of this product.
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• A) \(\mathrm { AB } = \left[ \begin{array} { r } 1068 \\ 924 \end{array} \right]\) Tuition for Student 2 is \(\$ 1068\) and tuition for Student 1 is \(\$ 924\).
• B) \(A B = \left[ \begin{array} { r } 1083 \\ 941 \end{array} \right]\) Tuition for Student 1 is \(\$ 1083\) and tuition for Student 2 is \(\$ 941\).
• C) \(\mathrm { AB } = \left[ \begin{array} { r } 1068 \\ 924 \end{array} \right]\) Tuition for Student 1 is \(\$ 1068\) and tuition for Student 2 is \(\$ 924\).
• D) \(\mathrm { AB } = \left[ \begin{array} { r } 1083 \\ 941 \end{array} \right]\) Tuition for Student 2 is \(\$ 1083\) and tuition for Student 1 is \(\$ 941\).

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