- Solve the following by completing the square (be prepared to have imaginary roots) 1. x2+10x+29=0 2. x2+8x+16=0

3. x2-4x+22=0 4. 2x2-20x+53=0

Solve the following using the quadratic formula (be prepared to have imaginary roots)
5. x2+10x-19=0 6. 2x2-8x+15=0

7. 3x2-7x-6=0 8. 3x2-6x+7=0
Use the discriminant to identify whether the following quadratics have real or imaginary roots
9. 3x2+2x+18 10. 2x2-8x-14

11. x2-6x-13 12. 12x2-34x+24
- Operations with complex numbers
13. (7-i)+(2+10i)

14. (6+7i)+(8-i)

15. (-3-i)-(6-7i)

16. (1+4i)-(-16+9i)

17. 8i(10+2i)

18. (4-5i)(12+11i)

19. (-3-9i)(1+10i)

20. (2+7i)(8+3i)