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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0895073)
Use the quadratic formula to solve each equation.

1.  
-1
1

5
x2 - 2x + 
2
4

5
  =  0




2.  
-8x2 - 
5
1

3
x  =  
-21
1

3




3.   -11x2 + 4x + 7 = 0



4.  
-4x2 + 16x  =  -28




5.  
2x2  =  -9x - 4




6.   3x2 + 8x - 11 = 0



7.  
-2x2 - 5x + 9  =  0




8.  
x2 - 4x + 2  =  -7x




9.   -2x2 - 9x + 4 = 0



10.  
6x2 - 7x  =  -2




11.  
-4x2 + 8x + 3  =  0




12.  
-4
1

5
x2 + 6x + 
4
4

5
  =  0




13.   6x2 + 11x + 3 = 0



14.  
9x2 + 2x  =  11




15.  
28x - 
8
2

5
  =  
19
3

5
x2





 


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