Calculate the determinant.
#1. \(\begin{vmatrix} 4 & -16\\-4 & 16\\\end{vmatrix}\)
#2. \(\begin{vmatrix} 8 & -6\\3 & 1\\\end{vmatrix}\)
#3. \(\begin{vmatrix} 9 & -8 & -6\\-3 & -7 & 1\\-4 & -5 & -10\\\end{vmatrix}\)
Find the inverse of the given matrix or state that it is singular.
#4. \(\begin{bmatrix} 7 & -10\\4 & -3\\\end{bmatrix}\)
#5. \(\begin{bmatrix} -2 & -8\\-9 & -36\\\end{bmatrix}\)
#6. \(\begin{bmatrix} 5 & 5 & 5\\-5 & 8 & 47\\-10 & -7 & 2\\\end{bmatrix}\)