12-1 Form G Answers

  1. \(\begin{bmatrix} 1 & 4 \\ 12 & 4 \end{bmatrix}\)
  2. \(\begin{bmatrix} 3 & -9 \\ 4 & 0 \\ -5 & -3 \end{bmatrix}\)
  3. \(\begin{bmatrix} 6 & 2 \\ 10 & -1 \\ 5 & 6 \\ -2 & 0 \end{bmatrix}\)
  4. \(\begin{bmatrix} 0.3 & -0.2 \\ 0.8 & 3.7 \end{bmatrix}\)
  5. \(\begin{bmatrix} 8 & 11 \\ 13 & 14 \\ 4 & 11 \end{bmatrix}\)
  6. \(\begin{bmatrix} -27 & 101 & -2 \\ -19 & 93 & -1 \\ -8 & -1 & 20 \end{bmatrix}\)
  7. \(\begin{bmatrix} -1 & -4 \\ 0 & 4 \end{bmatrix}\)
  8. \(\begin{bmatrix} 0 & -4 & 3 \\ -4 & -2 & 5 \end{bmatrix}\)
  9. \(\begin{bmatrix} 0 & 0 & 0 \\ 0 & 0 & 0 \end{bmatrix}\)
  10. \(\begin{bmatrix} -8 & 8 \\ 9 & -9 \end{bmatrix}\)
  11. \(a = 3, b = -1\)
  12. \(p = 2, q = -3, r = 3\)
  13. \(\begin{bmatrix} -2 & -2 & 5 \\ 18 & 15 & 2 \end{bmatrix}\)
  14. \(\begin{bmatrix} -4 & 5 & 7 \\ 1 & 5 & -3 \\ 0 & 5 & 4 \end{bmatrix}\)
  15. Not possible: Different dimensions
  16. \(\begin{bmatrix} -2 & -6 & -3 \\ 0 & -1 & -2 \end{bmatrix}\)