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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0510003)
Find the vertex and axis of symmetry of the parabola.

1.  
y  =  
-1
1

2
x2 + 
2
1

2
x + 3
2.  
y  =  2x2 + 11x + 8
3.  
y  =  -3x2 + 5x - 1
4.  
y  =  14x2 + 8x - 4
5.  
y  =  x2 - 2x - 
1
2

3
6.  
y  =  
2
1

2
x2 - 
4
1

2
x - 
1
1

2
7.  
y  =  17x2 - 
22
2

3
x - 
31
1

6
8.  
y  =  
-14
2

5
x2 + 
4
4

5
x + 
19
1

5
9.  
y  =  15x2 + 30x + 3
10.  
y  =  8x2 - 5x - 2
11.  
y  =  -5x2 - 3x + 2
12.  
y  =  
2
1

2
x2 - 3x - 
5
1

2
13.  
y  =  -10x2 - 2x + 12
14.  
y  =  
67
1

5
x2 + 
58
4

5
x - 
25
1

5
15.  
y  =  3x2 - 
1

3
x - 3

 

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