1. The coefficient in the term 7xy is (a) 7 (b) 3 (c) 1 (d) 2
2. The coefficient in the term -5x is (a) 5 (b) -5 (c) 1 (d) 2
3. The coefficient in the term 20 is (a) 1 (b) 2 (c) 10 (d) 20
4. The coefficient in the term -20 is (a) -1 (b) -2 (c) -10 (d) -20
5. The coefficient of xy in xy is
(a) 1 (b) -1 (c) 2 (d) 3
6. Which of the following is the numerical coefficient of x2y2?
(a) 0 (b) 1 (c) x2(d) y2
7. The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
(d) none of these.
8. The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
10. The value of 5x when x = 5 is
(a) 5 (b) 10 (c) 25 (d) -5
11. The value of x² – 2x + 1 when x = 1 is (a) 1 (b) 2 (c) -2 (d) 0
12. How many terms are there in the expression 5xy² ?
(a) 1 (b) 2 (c) 5 (d) 3
13. How many terms are there in the expression 5 – 3xy ?
(a) 1 (b) 2 (c) 3 (d) 5
14. How many terms are there in the expression 7x² + 5x – 5 ?
(a) 1 (b) 2 (c) 3 (d) 5
15. How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y? (a) 1 (b) 3 (c) 4 (d) 5
16. Which of the following is the numerical coefficient of -5xy?
I. 5 II. –x III. -5 IV. -y
17. The value of 52 - x2 at x= 7 is
I. 2 II. 3 III. 4 IV. 5
18. In algebra, we use alphabets such as ‘a, b, c’ to denote
a. operational signs c. any numerical value b. constants d. polynomial
(d) none of these.
9. The expression x + y + z is in (a) one variable
(b) no variable
(c) three variables
(d) two variables.
19. The product of 4 and 7p is ———— a. 11p b. 28p c. -28p