Operations on Algebraic Expressions Class 8 Chapter 6 Solutions
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Questions and Answers

What is the result of adding 3ab - ab?

  • 4ab
  • 3ab
  • ab
  • 2ab (correct)
  • In the expression 7x-3x, what does the coefficient of x become when added?

  • 4x
  • 7x (correct)
  • 5x
  • 10x
  • What is the sum of the coefficients of b in the expression 3a - 4b + 4c?

  • -5b
  • -7b (correct)
  • -6b
  • -3b
  • In the expression 5x-8y+2z-2x-4y+3z, what is the result of adding -x+6y- z?

    <p>-3x-3y-z</p> Signup and view all the answers

    What is the result of adding -11ax+ 6by- cz to 6ax-2by+ 3cz?

    <p>-5ax+4by-cz</p> Signup and view all the answers

    After arranging terms in the descending powers of x and adding column-wise: 2x3- 9x2+ 0x+8, what is the result?

    <p>-3x2+10x+9</p> Signup and view all the answers

    What is the sum of the coefficients of q in the expression 6p+ 4q - r+3?

    <p>-12q</p> Signup and view all the answers

    When arranging terms in the descending powers of x: 4x2+4y2-7xy-3, what should be done with the term -8xy?

    <p>+8xy</p> Signup and view all the answers

    In the expression 6pq -8pq + 14pq, what is the correct result after subtracting column-wise?

    <p>+10pq</p> Signup and view all the answers

    What is the sum of the constants in 6p+ 4q - r+3-5p+ 0q+2r-6?

    <p>-9</p> Signup and view all the answers

    After organizing terms in descending powers of x and adding column-wise: 0x3+ 3x2 - 6x-5, what is the correct result?

    <p>-5x^3-5x^2-12x-10</p> Signup and view all the answers

    When adding 7x3+ 0x2-10x+1 to -4x3-5x2+ 2x+3, what is the correct outcome?

    <p>11x^3-5x^2+8x-4</p> Signup and view all the answers

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