Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. StartAbsoluteValue Start 4 By 4 Matrix 1st Row 1st Column 2 2nd Column 0 3rd Column 0 4st Column 5 2nd Row 1st Column 8 2nd Column 7 3rd Column 2 4st Column negative 4 3rd Row 1st Column 2 2nd Column 0 3rd Column 0 4st Column 0 4st Row 1st Column 3 2nd Column 3 3rd Column 1 4st Column 7 EndMatrix EndAbsoluteValue