QUADRATIC FORMULA - ANSWERS

 

1. x2 -8x -2 = 0

x = -0.24 or 8.24

2. x2 + 10x + 3 = 0
x = -0.31 or -9.69
3. x2 -6x + 2 = 0 x = 0.35 or 5.65
4. x2 -4x - 3 = 0 x = -0.65 or 4.65
5. x2 + 10x + 18 = 0

x = -2.35 or -7.65

6. 2x2 + 8x + 2 = 0 x = -3.73 or 0.27
7. 3x2 -6x + 1 = 0 x = 1.87 or 0.13
8. 4y2 - y = 8

x = -1.29 or 1.54