

1. 
Use the quadratic formula to solve x^{2} + 2x  8 = 0. 


A. 
4, 2 
B. 
4 


C. 
2 
D. 
4, 2 


Hint 


2. 
Use the quadratic formula to solve 6x^{2}  x  1 = 0. 


A. 

B. 



C. 

D. 



Hint 


3. 
Use the quadratic formula to solve 2x^{2} + 7x + 4 = 0. Approximate the solutions to the nearest hundredth. 


A. 
1.28, 3.66 
B. 
3.35, 0.15 


C. 
5.56, 1.44 
D. 
2.78, 0.72 


Hint 


4. 
Use the quadratic formula to solve 3y^{2} + 2 = 8y. Approximate the solutions to the nearest hundredth. 


A. 
0.28, 2.39 
B. 
0.56, 4.77 


C. 
0.43, 2.87 
D. 
0.64, 1.32 


Hint 


5. 
Use the quadratic formula to solve x^{2} + 4x + 5 = 0. 


A. 
5 
B. 
1, 4 


C. 
1 
D. 



Hint 

