8th ALGEBRAIC EXPRESSION AND IDENTITIES Part 2

8th ALGEBRAIC EXPRESSION AND IDENTITIES  Part 2
  1. Numerical coefficient of 8x3yz2 is ________
  2. Monomial is a ________________
  3. Write like terms from 2x2, 2x, 2x3, - 5x, 11x4
  4. Write numerical coefficient of . 3x3yz2
  5. Find area of rectangle with sides 3x and 5y
  6. Factorise 3xy + 9x2y3
  7. Divide 7x2y2z2 ÷ 21xyz
  8. Subtract 5x2 – 4y2 + 6y – 3 from 7x2 – 4xy + 8y2 + 5x – 3y.
  9. Add 4y (3y2 + 5y – 7) and 2 (y3 – 4y2 + 5)
  10. Simplify (a + b) (2a – 3b + c) – (2a – 3b) c.
  11. Simplify (a + b + c)(a + b – c)
  12. Find the products of (2a2 + 9) (2a2 + 5) 
  13. Find the products of  (0.4p – 0.5q) 2
  14. Simplify. (m2 – n2m) 2 + 2m3n2
  15. Evaluate  9982 
  16. Evaluate 297 × 303 
  17. Evaluate (1.02) 2 – (0.98) 2
  18. Find the value of x2+y2 if x+y =12 and xy= 14
  19. Find the value using algebric formula 93 x 94
  20. Find the value using algebric formula 7042
  21. Find value of x2+y2 if x+1/x=3
  22. By division show that x-1 is factor of x3-1
  23. Factories: 25-a2-b2-2ab
  24. Subtract: 3a (a + b + c ) – 2 b (a – b + c) from 4c ( – a + b + c )
  25. If ( x + 1 / x ) = 4, Find the value of ( x2 + 1 / x2 )
  26. Find the remainder obtained by dividing x3 + 3x2 - 5x +4 by x + 1
  27. Evaluate using algebraic identities (54) 2, (78) 2 , (999)2
  28. If x - y = 7 , xy = 9 Find the value of x2 + y2
  29. If x + y = 12 , xy = 27 Find the value of x3 + y3
  30. If a2+ b2 + c2 =20 , a + b + c = 6 find ab + bc + ca
  31. What must be subtracted from 4p2-2pq- 6q2 - r +5 to get - p2 + pq - 8q2 - 2r+5
  32. Divide x3 - 1 by x - 1
  33. Divide 7 +15x -13x2 +5x3 by 4 - 3x + x2
  34. Evaluate 1.5 3 - 0.93 - 0.63
  35. Evaluate    (a - b )3 + (a + b )3
  36. Evaluate(x + 2y -3z)2 +(x - 2y +3z)2

     

 
Posted by
Labels:

1 comment:

Subscribe to: Post Comments (Atom)