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VIII Standard Questions

Part A

Choose the correct answer
  1. The product of 4y2x-3y
    a) -12y3 b) 12y3 c) -12y2 d) 12y
  2. x2 - y2 = 16 and (x+y) = 8, then (x-y) is ___________
    a) 8 b) 3 c) 2 d) 4
  3. If 3+x = 5, the value of x =
    a) 5 b) -3 c) 2 d) -2
  4. x/2=10 the value of x is
    a) 1/2 b) 10 c) 20 d) 5
  5. The largest number of the three consecutive number is x+1, then the smallest number is
    a) x b) x+1 c) x+2 d) x-1

    6. Part B

    Fill in the blanks:
  6. am/an =
  7. 18m4/2m2 = _m2
  8. 2p4/p3 = _
  9. (m+n)(__)=m2-n2
  10. The linear equation is one variable has __ solution

    11. Part C

    Say True or False
  11. x3/x8=x5
  12. 8x3 ÷ 4x2 = 2xy
  13. The shifting of a number from one side of an equation to other is called transposition.
  14. The Polynomial contains Negative components
  15. The product of two like signs are positive

    16. Part D

    Answer in one or two words
  16. What is/are contains only as the power of their variables?
  17. What kind of term will come when we multiply polynomial into monomial?
  18. If ‘a’ is a constant, x and y are variables, then what is the distributive law based on subtraction?
  19. If l = 4p, b = 2p, h=3p, then what is the value of l x b x h?
  20. What is the expression of 1052 by using the identity (a+b)2 ?

    21. Part E

    Answer the following Questions : (Very Short Answer Questions)
  21. Write the number of terms of 29x + 13y
  22. Identify the numerical co-efficient of the term 2x2 - 5xy + 6y2
  23. Statement A : 4x2+3x-2=(2x2+3x-1)/2 Statement B : (2m-5)-(5-2m)=(2m-5)+(2m-5) Both A and B are true. A is true but B is False. A is false but B is true. Both A and B are false.
  24. Write the formula for (a+b)2
  25. Write the formula for (x+a) (x+b)

    26. Part F

    Answer the following Questions: (Detail Questins)
  26. Add: 8-9y,11y, 2y
  27. Subtract : 2y+z from 6z – 5y
  28. Find out the like terms from the following: x2, 3y, 3a2b2, 4x, -5x2, 2x, a2b2
  29. Expand the following: (k2 - 49)
  30. Write the formula for (a+b)3