3. Mrs. Bond wants to put 40 cups of cider into one-quart containers. How many one-quart containers does she need?
2 answers:
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The coefficient matrix is build with its rows representing each equation, and its columns representing each variable.
So, you may write the matrix as
which means
The determinant is computed subtracting diagonals:
So, we have
Answer:
The graph should look almost exactly like this. I used a virtual graphing chart to assist, since it is capable of showing more than paper alone.
