Quiz  /  DOS Class 12 MCQ Questions With Answers

  • 1. 
    Factor: x3 + 1

  • (x + 1)3
  • (x+1)(x2 - x + 1)
  • (x - 1) (x2 + x - 1)
  • (x + 1)(x2 - 2x + 1)

  • 2. 
    Factor: 8x3 - 1

  • (2x - 1)(4x2 + 2x + 1)
  • (2x + 1)(4x2 - 2x + 1)
  • (2x - 1)(4x2 - 2x - 1)
  • (2x + 1)(4x2 +2x + 1)

  • 3. 
    Factor27x³-64

  • (3x-4)(9x²+12x+16)
  • (3x-4)(9x²-12x+16)
  • (3x+4)(9x²-12x+16)
  • (3x+4)(9x²+12x+16)

  • 4. 
    What is the remainder when a3 - 4 is divided by a+2?

  • -2
  • -6
  • -12
  • 0

  • 5. 
    If f(x) = 3x2 -9x -20, find the value of f(5) using synthetic division.

  • 0
  • 10
  • 15
  • -7

  • 6. 
    Decide if (x-3) is a factor of 3x3+10x2-x-12

  • Yes, it is a factor!
  • No, it is not a factor!

  • 7. 
    X5 + x4 + x2

  • x3(x2 + x + 1)
  • x(x4 + x3 + x)
  • x2(x3 + x2)
  • x2(x3 + x2 + 1)

  • 8. 
    List all of the possible rational zeros p(x) = 3x2+x+7

  • -1/3, -7/3, -1, -7, 1/3,7/3,1,7
  • 1/3,7/3,1,7
  • 1, 7, 14, 21

  • 9. 
    What is the proper way to write the answer for the following problem?

  • 2x3-x2-25x-12
  • 2x4-x3-25x2-12x+0

  • 10. 
    List all the possible rational zeros h(x) = x3 - 5x2+2x+12

  • 1,2,3,4,6,12
  • 1,2,6,12
  • 1,2,3,4,6,12,-1,-2,-3,-4,-6,-12

  • 11. 
    Factor:4p2 + 16p

  • p(p - 16)
  • 4p(p - 4)
  • p2(p+ 16)
  • 4p(p + 4)

  • 12. 
    9x2 - 49y6

  • (3x + 7y3)(3x + 7y3)
  • (3x - 7y3)(3x + 7y3)
  • (3x - 7y3)(3x - 7y3)
  • Prime

  • 13. 
    Factor the Polynomial:121r2 - 64t2

  • (11r + 8t)(11r - 8t)
  • (12r - 8t)(12r + 8t)
  • (11r + 9t)(11r + 9t)
  • prime

  • 14. 
    Factor Completely:5x2 - 10x

  • (x - 2)(x - 10)
  • 5(x2 - 2x)
  • 5x(x - 2)

  • 15. 
    Fully Factor the Following25x2-81

  • (5x-9)2
  • (5x+9)(5x-9)
  • 25(x-9)2
  • (9x+5)(9x-5)
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