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Discussion :: Quadratic Equations

  1. I. a2 - 2a - 8 = 0,
    II. b2 = 9 to solve both the equations to find the values of a and b?
    2. A.
    If a < b
    B.
    If a ≤ b
    C.
    If the relationship between a and b cannot be established
    D.
    If a > b
    E.
    If a ≥ b

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    Answer : Option C

    Explanation :

    I. (a - 4)(a + 2) = 0
    => a = 4, -2
    II. b2 = 9
    => b = ± 3
    -2 < 3, -2 > -3, 4 > 3, 4 > -3,
    No relation can be established between a and b.

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