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Quadratic Equation problems

  • 1. 
    ?. 4x + 7y = 209
    ?. 12x ? 14y = ? 38

  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Discuss
  • 2. 
    ?. 18x 2 + 18x + 4 = 0
    ?. 12y 2 + 29y + l4 = 0

  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Discuss
  • 3. 
    ?. 8x 2 + 6x = 5
    ?. 12y 2 ? 22y + 8 = 0

  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Discuss
  • 4. 
    ?. 16x 2 + 20x + 6 = 0
    ?.10y 2 + 38y + 24 = 0

  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Discuss
  • 5. 
    ?. 17x 2 + 48x = 9
    ?.13y 2 = 32y ?12

  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Also asked in: Bank Exams

  • Discuss
  • 6. 
    The roots of the equation a2x2 - 3abx + 2b2 = 0 are

  • Options
  • A. 2b , - b a a
  • B. 2b , b a a
  • C. - 2b , - b a a
  • D. None of these
  • Discuss
  • 7. 
    If ? and ? are the roots of the quadratic equation ax 2 + bx + c = 0, the value of ?3 + ?3 is

  • Options
  • A. b (b2 - 3ac ) a 3
  • B. b ( 3ac - b2 ) a 3
  • C. b ( 3ac + b2 ) a 3
  • D. None of these
  • Discuss
  • 8. 
    For what value of k the quadratic polynomial 3z2 + 5z + k can be factored into product of real linear factors?

  • Options
  • A. k ? 25 6
  • B. k ? 25 12
  • C. k ? 25 12
  • D. k ? 25 6
  • Discuss
  • 9. 
    The roots of the equation x2 + px + q = 0 are equal if :

  • Options
  • A. p2 = 2q
  • B. p2 = 4q
  • C. p2 = - 4q
  • D. p2 = - 2q
  • Discuss
  • 10. 
    Find 2 consecutive positive odd integers whose squares have the sum 290.

  • Options
  • A. 11, 13
  • B. 13, 15
  • C. 9, 11
  • D. None of these
  • Discuss

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