1. What is the correct simplified form of 3±9sqrt5/3?
A. ±3sqrt5
B. 1±3sqrt5
C. 1±9sqrt5
D. ±9sqrt5

2. Which of the following is a true statement regarding the quadratic formula form of the solutions to a quadratic equation?
A. The solutions x=4±8sqrt5/2 must be left in exact form.
B. The solutions x=4+8sqrt5/2 can be simplified to x=2±8sqrt5
C. The solutions x=4±8sqrt5/2 can be simplified to x=2±4sqrt5
D. The solutions x=4±8sqrt5/2 are in simplest form