1. Solve the equation x 2- 6x = 16 by:
(a) completing the square .
(b) the quadratic formula .
2. Graph the parabola y = x2 - 6x -16. Label the vertex
and all intercepts .
3. Simplify each complex ex pression into the form a + bi.
4. Solve each equation using any method . Find all real and
complex solutions .
5. Lena dives from Sacramento to Reno (approximately 120
miles). One the return trip she drives 10 mph
faster. The round-trip takes 4 hours. How fast did she travel on the portion of
the trip from Sacramento to
Reno?
6. Solve each nonlinear inequality .
