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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0232659)
Use the quadratic formula to solve each equation.

1.  
3
1

5
x2 + 4x  =  
-2
2

5
2.  
17
1

2
x2 - 28x + 
3
1

2
  =  -14x
3.  
-3x2 + 
1

2
x  =  
2
1

2
4.   x2 - 2x + 10 = 0
5.  
42x2 - 9x + 18  =  30x2
6.  
8x2 + 4x  =  -1
7.   9x2 + 7x + 4 = 0
8.  
86
2

5
x2 + 
115
1

5
x  =  -48
9.  
2x2 + 6x + 11  =  6
10.  
-5
1

2
x2 + x - 5  =  0
11.  
8
1

3
x2 + 5x + 
5

6
  =  0
12.   -8x2 + 12x - 5 = 0
13.  
12x2 - 
1
1

2
x  =  
-7
1

2
x - 
16
1

2
14.   -12x2 + 10x - 3 = 0
15.  
-21x + 12  =  -5x2 - 10x

 

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