The first matrix is 1 x 2 and the second matrix is 2 x 2 The product of these two matrices is a Step 2 Multiply the row of the 1 x 2 matrix with the first column of the 2 x 2 matrix 5 8 40 7 9 63 40 63 Step 3 Multiply the row of the 1 x 2 matrix with the second column of the 2 x 2 matrix 5 10 50 7 11 77 63 50 Step 4 Construct the product matrix 40 6 77 50 77 X 2 matrix