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 Name _____________________________ Date ___________________
Quadratic Equations
(Answer ID # 0469231)
Use the quadratic formula to solve each equation.

1.
 -28x2 + 36x + 104 = 120

 2 -10x2 + 12x - 9 = 0
3.
-34
 23
x2 - 26x -
8
 23
=  0

4.
 16x2 + 32x = 28x - 20

5.
2
 12
x2 +
5
 12
x +
3
 12
=  0

6.
-4
 12
x2 -
7
 12
x - 6  =  0

 7 -6x2 + 4x - 7 = 0
8.
 -x2 = -2x + 4

9.
2x2 +
3
 23
x +
1
 23
=
3
 13
x

10.
 -9x2 - 7 = -10x

 11 -12x2 + 11x - 3 = 0
12.
 -18x2 = -12x2 + 18x + 16

13.
 6x2 + 2x + 5 = 0

 14 x2 + 3x + 9 = 0
15.
 -11x2 + 2x = 10

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