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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0396477)
State the direction of opening for the graph of each equation.

1.  
y  =  3x2 - 2x - 5




2.  
y  =  -x2 + 7x + 11




3.  
y  =  -3x2 - 3x + 1




4.  
y  =  
-3

5
x2 + 
4
1

5
x - 3




5.  
y  =  -5x2 + 10x + 11




6.  
y  =  4x2 + 5x - 
3
1

2




7.  
y  =  2x2 - 4x - 11




8.  
y  =  x2 + 12x + 9




9.  
y  =  6x2 - 2x - 8




10.  
y  =  -8x2 + 3x + 5




11.  
y  =  12x2 - 9x - 7




12.  
y  =  
1

2
x2 - 
5
1

2
x + 
5
1

2




13.  
y  =  -24x2 + 54x - 18




14.  
y  =  
-2
1

3
x2 + 28x - 
9
1

3




15.  
y  =  18x2 + 24x - 12





 


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