Notes from 3-10-09

Warm - up - Have the HW from last night

(p.537 #40-56 evens) out on your desk

 
 

Write the following equation in Standard Form,

identify the values of a, b, c

and solve for x using the Quadratic Formula.

 
 

 

 

 

 

 
 

Answers to 40 - 56 evens

 
 

1. x = 1/4 (.25) or x = 3
   
2.  
   
3. x= 1/7 (.14) or x = -1
   
4.  
   
5. x = .39 or x = 1.27
   
6.  
   
7. x = .14 or x = -.89
   
8.  
   
9. x = 1/2 (.5) or x = 1
   
10.  
    
11. x = -1 or x = -2
    
12.  
    
13. x = -.35 or x = 2.85
    
14.  
    
15. x = 1 or x = -2
    
16.  
    
17. x = 1 or x = 2