100 POINTS (12-15) Q(x) = 2x^4 - 7x^3 + 6x^2 + x -2

1. Use synthetic division to determine whether (x-1) is a factor of Q(x).

2. Use synthetic division in to find Q(-2)

3. List all of the possible rational roots of Q(x) = 0

4. Find all of the real roots Q(x) =0