1. Bell Quiz 3
The quantity is called the __________ of a quadratic equation. If it’s ___________ it has no real solution.
Solve the equation by completing the square
Abby throws a ball vertically upward from the top of the building 96 ft tall with an initial velocity of 99 ft per second. The distance s (in ft) of the ball from the ground after t seconds is After how many seconds does the ball strike the ground? Before trace caught to ball after it bounce

2. Quadratic Equations in the Complex Number System
Section 1.3
Complex Numbers
Quadratic Equations in the Complex Number System

7. a) (3 – 2i) + (5 – 4i)
b) (3 – 2i) – (5 – 4i)
(3+5) + [(–2) +(– 4)] i
(3 – 5) + [(–2) –(– 4)] i
8–6 i
–2+2 i

8. (3 – 2i) (5 – 4i)
3(5) +3(– 4i)+(– 2i)(5)+(– 2i)(– 4i)
15 – 12i – 10i + 8i2
= 15 – 22i +8(–1)
= 7 – 22i

26. Homework
Pg 111 #’s 2-7, 13, 27, 32-35, 45, 51, 56, 65, 69, 73, 81, 95
Pg. 57 #’s 14, 18, 25, 33, 39, 52, 123