Across
- 3. i²,i³,i⁴
- 5. 10/2i÷i/i
- 9. Z
- 10. R
- 15. bi
- 16. a+bi and a-bi
- 18. N
- 20. b²-4ac square rooted
- 21. a+bi
- 24. -9 square root
- 25. x²=n
Down
- 1. Factoring equal to 0
- 2. x=-b±√b²-4ac/2a
- 4. v:(4,-8)
- 6. I=-1
- 7. II
- 8. f(x)=x²-8x+15
- 11. multiply both the numerator and denominator by the conjugate
- 12. Perfect squares are an example of what
- 13. The denominator
- 14. 2solutions,1solution,nosolution
- 17. x={_,_}
- 19. S:(3,5)
- 22. Q
- 23. W