New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    If x2 - 3x - 18 = 0 and y2 + 9y

    + 18 = 0, which of the following is true?
    A x > y Correct Answer Incorrect Answer
    B x < y Correct Answer Incorrect Answer
    C x = y or the relationship cannot be established Correct Answer Incorrect Answer
    D x ≥ y Correct Answer Incorrect Answer

    Solution

    x2 - 3x - 18 = 0=> (x-6)(x+3) = 0=> x = -3, 6y2 + 9y + 18 = 0=> (y+3)(y+6) = 0=> y = -3, -6Hence x ≥ y

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