Multiple Choice Questions on I 3x2 13x 14 0 II 4y2 9y 2 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I 3x2 13x 14 0 II 4y2 9y 2 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. 3x2 + 13x + 14 = 0,

    II. 4y2 + 9y + 2 = 0

    x > y

    Incorrect Answer

    x < y

    Incorrect Answer

    x ≥ y

    Incorrect Answer

    x ≤ y

    Correct Answer
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    Explanation:

    3x2 + 13x + 14 = 0
    3x2 + 6x + 7x + 14 = 0
    So x = -7/3, -2
    4y2 + 9y + 2 = 0
    4y2 + 8y + y + 2 = 0
    So y = -2, -1/4
    Put all values on number line and analyze the relationship
    -7/3 …. -2…. -1/4

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