4.9.3 quad inequal algebraically

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4.9.3 quad inequal algebraically

  1. 1. 4.9 QUADRATIC INEQUALITIES Solve Algebraically
  2. 2. SOLVE ALGEBRAICALLY 2 11 24x x   2 11 24 0x x     8 3 0x x   3, 8x 
  3. 3. SOLVE ALGEBRAICALLY 2 7 6 1x x  2 7 6 1 0x x     7 1 1 0x x   1 81,x  
  4. 4. SOLVE ALGEBRAICALLY 2 3 7 20x x  2 3 7 20 0x x     3 5 4 0x x   5 3 , 4x  
  5. 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. 6. ASSIGNMENT p. 305 # 46 - 50, 70 - 73

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