1. Find the missing zero for the polynomial of degree 5 if the known zeros are 3 - 8i, 11, and SqRt 7.
2. Find the polynomial of least degree having zeros: 8 and SqRt 3
3. Find the polynomial of least degree having zeros: -2 and 1 + i
4. List the possible rational zeros of: f(x) = 3x4- 5x2 +7x -10