Answer Key
A. Fill in the blanks
- Terminating; non-terminating recurring
- Rational
- Irrational
- Infinitely many
- √5
B. True/False
6. True
7. False
8. True
9. False
10. True
C. MCQs
11. (c) √3
12. (a) Terminating
13. (b) 1.5
14. (c) 1/8
D. Answers
15. 3/8
16. 21/50, 22/50, 23/50
17. 6√2
18. √3 − √2
19. 1
20. 30 + 12√6
E. Answers
21. √5 can be represented on the number line using a right triangle with sides 2 and 1.
22. Terminating, because 160 = 2⁵ × 5.
23. 4
24. 5 + 2√6
25. √5 is irrational.
26. Example: √2 + (−√2) = 0 (rational).