Multiply the matrix by the scalar 0:25. Find the element in the first row, second column of the answer.
20 -12
16 -24
0.25 * 20 = 5
0.25 * -12 = -3
0.25 * 16 = 4
0.25 * -24 = -6
The new matrix is:
5 -3
4 -6
The element in the first row, second column is -3.