Multiple Choice Questions on I 2x2 ndash 9x 4 0 II 2y2 7y ndash 4 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I 2x2 ndash 9x 4 0 II 2y2 7y ndash 4 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. 2x2 – 9x + 4 = 0,

    II. 2y2 + 7y – 4 = 0

    x > y

    Incorrect Answer

    x < y

    Incorrect Answer

    x ≥ y

    Correct Answer

    x ≤ y

    Incorrect Answer
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    Explanation:

    2x2 – 9x + 4 = 0
    2x2 – 8x – x + 4 = 0
    So x = 4 , 1/2
    2y2 + 7y – 4 = 0
    2y2 + 8y – y – 4 = 0
    So y = -4, 1/2
    Put on number line
    -4……. 1/2…… 4

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