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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 1033012)
Use the quadratic formula to solve each equation.

1.  
-55x + 30  =  50x2
2.  
2
5

6
x2 - 34x + 17  =  
-28
1

3
x + 
25
1

2
3.   x2 + 2x + 1 = 0
4.  
6x2 + x  =  12
5.  
3x2  =  2x + 5
6.  
1

2
x2 + 4x - 
4
1

2
  =  0
7.   -5x2 + 2x + 3 = 0
8.  
-38
2

5
x2 - 
41
3

5
x + 16  =  
-38
2

5
x - 
3
1

5
9.   10x2 - 3x - 4 = 0
10.  
36x2 - 24x  =  -4
11.  
-3
1

2
x  =  -5x2 + 
1
1

2
12.  
-1

4
x2 - 
1
1

4
x + 
1

4
  =  
1
1

4
x2
13.  
4x2 - x - 3  =  0
14.   -11x2 - 8x + 3 = 0
15.  
-6x  =  7x2 - x - 12

 

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