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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 1048271)
Use the quadratic formula to solve each equation.

1.  
10
1

2
x2 + 
4
1

2
x - 15  =  0




2.   5x2 - 2x + 10 = 0



3.  
24x2 + 28x - 40  =  0




4.  
3x - 6  =  
6
3

5
x2




5.  
-12
3

5
x2 + 
12
3

5
x - 18  =  
-10
4

5
x2 + 
1
4

5
x




6.  
3x2 + 2  =  x




7.  
-x2  =  x - 9




8.   -12x2 + 2x - 5 = 0



9.  
-4x2 - 8x + 7  =  0




10.  
3x2 + 6x  =  
-2
1

4




11.  
2x2 + 1  =  2x




12.   4x2 + 4x + 1 = 0



13.  
4
4

5
x2 - 
3
3

5
x - 18  =  
-19
1

5




14.  
x2 - 2x + 1  =  -4x




15.  
7x2 - 3x  =  10





 


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