Diagonalize the matrix, if possible. Enter "DNE" (without quotes) in each of the answerboxes if the matrix is not diagonalizable. A = 7 4 0 -8-5 0 0 0 -1

Perform the matrix operation. Let A = -2 2 -8-8 4 -3] -16-4 00-3 0-12] O-4 -3 0-12] O 0 [-1612] and B = 9 C 25 -84 . Find A - B. # Address.

The matrix B is the result of performing a single row operation on the matrix A shown below. Identify the row operation. A= -1 3 4-4 - 12 B. Choose the correct answer below. OA. -4R₂ R₂ 1 -R₂ R₂ B= OC. 4R₁ + R₂ R₂ OD. -4R₁ + R₂ R₂ -13 7 0 8 16 ****

Write the entries in the inverse matrix as fractions. -2x+y+6z=18 5x+8z=-16 3x+2y=10z-3