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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0358849)
Solve each equation by completing the square.

1.  
3x2 - 15x  =  9
2.   11x2 - 12x + 1 = 0
3.  
-5
3

5
x2 - 8x + 
7
1

5
  =  
-6
2

5
x2
4.  
5
3

5
x2 - 
4
4

5
x + 
3
1

5
  =  
12
4

5
5.  
x2 - 4x  =  12
6.  
-8x2 + 10x - 3  =  0
7.  
8x2 - 2x  =  1
8.   x2 + 6x - 7 = 0
9.  
15
1

3
x - 
7
2

3
  =  
19
1

6
x2 - 
19
1

6
10.  
x2 + 10x  =  12
11.  
-12
1

2
x2 - 
12
1

2
x + 75  =  0
12.   3x2 + 11x + 5 = 0
13.  
x2 - 4x + 4  =  0
14.   -x2 - 5x + 7 = 0
15.  
-8x2 - 
7
1

3
  =  
-4
2

3
x - 14

 

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