Page 98 - Maths Skills - 8

96 Maths

ASSESSMENT - 2

(For Chapters 4 to 6)

COMPETENCY BASED QUESTIONS

Multiple-Choice Questions

z 49
2
1. The value of is:

z 7
(a) (z + 7) (b) ( z – 7 ) (c) 7 (d) 49

2. Degree of the polynomial q + q – q + q is:
4
10
8
6
(a) 4 (b) 6 (c) 10 (d) 8
3. (a + b) equal:
2
(a) (a + b) (a – b) (b) (a + b) (a + b) (c) (a – b) (a – b) (d) none of these

4. Cube of 0.2 is:

(a) 0.008 (b) 0.08 (c) 0.080 (d) 8

5. The ones digit of cube of a number ending with 6 is
(a) 9 (b) 7 (c) 3 (d) 6

6. Which of the following is the cube of an even natural number
(a) 512 (b) 1331 (c) 343 (d) 2197

Fill in the Blanks

7. Cube of a negative number is __________.

8. What is the volume of a cube having its side 17 cm ___________
9. Write the constant term of –ab + 2a b + 5 ___________
2 2
10. GCF of an expression 3xy ; 12xyz; 3x z is ___________
2
3
11. ___________ is the process of breaking down an expression into its simplest form by multiplying
its factors.

Write ‘T’ for true and ‘F’ for false Statements
12. No cube can end with exactly two zeroes.

13. (x + 1) is the factor of 2x + 5x + 4
2
14. The factorisation of xy – ab + bx – ay is (y – b) (x + a)
15. Cube of the numbers ending with 0, 1, 4, 6, 7 and 9 also end with same digit.

16. An algebraic expression containing three terms is called monomial.