Multiple Choice Questions on I 3x2 19x 28 0 II 3y2 13y 14 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I 3x2 19x 28 0 II 3y2 13y 14 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. 3x2 + 19x + 28 = 0

    II. 3y2 + 13y + 14 = 0

    x > y

    Incorrect Answer

    x < y

    Incorrect Answer

    x ≥ y

    Incorrect Answer

    x ≤ y

    Correct Answer
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    Explanation:

    3x2 + 19x + 28 = 0
    3x2 + 12x + 7x + 28 = 0
    Gives x = -4, -7/3
    3y2 + 13y + 14 = 0
    3y2 + 6y + 7y + 14 = 0
    Gives y = -7/3, -2
    Put all values on number line and analyze the relationship
    -4…… -7/3…… -2

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