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Worksheet 5-2

Solve the following quadratic equations by completing the square.

Give answers involving radicals in simplest radical form.

1. x2 - 2x - 5 = 0

2. x2 – 4x + 2 = 0

3. x2 + 6x – 2 = 0

4. x2 + 8x + 6 = 0

5. x2 + 20x + 200 = 0

6. x2 – 10x + 30 = 0

7. x2 – 1 = 4x

8. x2 + 8 = 4x

9. 2x2 + 4x + 1 = 0

10. 3x2 + 12x + 1 = 0

11. 5x2 + 100 = 30x

12. 2x2 – 8x – 3 = 0

13. x2 – x – 1 = 0

14. x2 – 3x – 5 = 0

15. 3x2 + 5x + 2 = 0

  

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