CBSE  /  Class 8  /  Maths  /  Algebraic Expressions and Identities

  • 1. 
    The like terms of the following are

  • x, 3x
  • x, 2y
  • 2y, 6xy
  • 3x, 2y

  • 2. 
    The like terms of the following are

  • 2x², 9x²
  • y², xy
  • xy, 9a²
  • y², 9x²

  • 3. 
    The like terms of the following are

  • ab, 9ba
  • ab, -5b
  • -5b, 9ba
  • ab, -3a

  • 4. 
    The number of like terms in 9x³, 16x²y, -8x³, 12xy², 6x³ is

  • 3
  • 2
  • 4
  • 5

  • 5. 
    The coefficient of x²y in 7pqrx² is

  • 7pqr
  • pqr
  • -7pqr
  • 7

  • 6. 
    The coefficient of xy in xy is

  • 1
  • -1
  • 2
  • 3

  • 7. 
    The coefficient of x²y in -15 x²y is

  • 15
  • -15
  • 3
  • 5

  • 8. 
    The coefficient of xy in 6x²y² is

  • xy
  • 2xy
  • 3xy
  • 6xy

  • 9. 
    The coefficient of xy2z in -7x²y³z is

  • -7xy
  • 7xy
  • -xy
  • xy

  • 10. 
    The sum of 7x, 10x and 12x is

  • 17x
  • 22x
  • 19x
  • 29x
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