1. 4.9 QUADRATIC INEQUALITIES
Solve Algebraically

2. SOLVE ALGEBRAICALLY
2
11 24x x  
2
11 24 0x x  
  8 3 0x x  
3, 8x 

3. SOLVE ALGEBRAICALLY
2
7 6 1x x 
2
7 6 1 0x x  
  7 1 1 0x x  
1
81,x  

4. SOLVE ALGEBRAICALLY
2
3 7 20x x 
2
3 7 20 0x x  
  3 5 4 0x x  
5
3 , 4x  

5. ROBOTICS
The number T of teams that have participated in a
robot-building competition for high school students
can be modeled by
where x is the number of years since 1992. For
what years was the number of teams greater than
100?
  2
7.51 16.4 35, 0 9T x x x x    

6. ASSIGNMENT
p. 305 # 46 - 50, 70 - 73