Question Paper
Class / Subject: Class 9 (ICSE) · Mathematics
Chapter: Chapter 7 — Chapter 7: Indices (Exponents)
Time Allowed: 32 minutes
Max Marks: 16
1. What is a^m × a^n? [1]
(A) a^(m+n)
(B) a^(m×n)
(C) a^(m-n)
(D) a^m
2. What is a^m ÷ a^n? [1]
(A) a^(m-n)
(B) a^(m+n)
(C) a^(m×n)
(D) a^m
3. What is (a^m)^n? [1]
(A) a^(mn)
(B) a^(m+n)
(C) a^m
(D) a^n
4. What is a^0 for non-zero a? [1]
(A) 1
(B) 0
(C) a
(D) Undefined
5. What does a^(-n) equal? [1]
(A) 1/a^n
(B) -a^n
(C) a^n
(D) 0
6. What does a^(1/2) represent? [1]
(A) The square root of a
(B) a squared
(C) a doubled
(D) a halved
7. What is 2^3 × 2^2? [1]
(A) 2^5
(B) 2^6
(C) 2^1
(D) 4^5
8. Why learn index laws? [1]
(A) To simplify expressions with powers
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is a^m × a^n? [1]
(A) a^(m+n)
(B) a^(m×n)
(C) a^(m-n)
(D) a^m
10. What is a^m ÷ a^n? [1]
(A) a^(m-n)
(B) a^(m+n)
(C) a^(m×n)
(D) a^m
11. What is (a^m)^n? [1]
(A) a^(mn)
(B) a^(m+n)
(C) a^m
(D) a^n
12. What is a^0 for non-zero a? [1]
(A) 1
(B) 0
(C) a
(D) Undefined
13. What does a^(-n) equal? [1]
(A) 1/a^n
(B) -a^n
(C) a^n
(D) 0
14. What does a^(1/2) represent? [1]
(A) The square root of a
(B) a squared
(C) a doubled
(D) a halved
15. What is 2^3 × 2^2? [1]
(A) 2^5
(B) 2^6
(C) 2^1
(D) 4^5
16. Why learn index laws? [1]
(A) To simplify expressions with powers
(B) No reason
(C) It's not useful
(D) Only for tests