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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 1073082)
Use the quadratic formula to solve each equation.

1.  
6x - 5  =  2x2
2.   8x2 - 4x + 5 = 0
3.  
1
1

2
x2 + 
3
3

4
  =  
-4
1

2
x
4.  
-5x2 + 12x - 8  =  0
5.  
-x2 + 4x + 6  =  11
6.  
5x2  =  -8x - 5
7.  
5x2 + 12x  =  -8
8.   -8x2 + 12x - 5 = 0
9.   5x2 - 6x + 9 = 0
10.  
-5x2 + 12x  =  9
11.  
-6
2

5
x2 - 
3
1

5
x - 
4

5
  =  0
12.   5x2 + 8x + 4 = 0
13.  
-10x2 + 6x - 9  =  0
14.  
-9x2 + 6x  =  5
15.  
5
1

3
x2 + 6  =  -8x

 

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