CPM Homework Help : A2C Problem 7-185

Perform the matrix multiplication below without using a calculator.

$\left[ \begin{array} { c c c } { 2 } & { 3 } & { 7 } \\ { 5 } & { 1 } & { 0 } \end{array} \right] \left[ \begin{array} { l } { 4 } \\ { 6 } \\ { 1 } \end{array} \right]$

Computer without a calculator.

Hint:

Multiply each row of the first matrix into each column of the second matrix.

Answer:

Arrange the products into a $2$ -by- $1$ matrix.