Directions: Simplify the following expressions using the imaginary number. 1. √-5

2. √-49

3. -3√-9

4. -8√-64

5. -√-50

6. -2√-12

7. 5√-12

8. √-8

9. 3√-7

10. -3√-200

Part B

Directions: Write the following numbers using the imaginary number i, and then perform the operations necessary and simplify your answer.

11. 2√-8 + 3√-50

12. √-4 + √-16

13. √-25 + √-9

14. i√-36 – i2

15. 3√-25 + 2√-49

16. √-48 • √72

17. 3√-9 • 2√-49

18. √-12 • √-36

19. √-16 • √-100