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10th Class Mathematics Polynomials Question Bank MCQs - Polynomials

  • question_answer
    Find a quadratic polynomial, the sum and product of whose zeroes are \[-7\] and \[-2\].

    A) \[{{x}^{2}}-7x-2\]

    B) \[{{x}^{2}}-7x+2\]

    C) \[{{x}^{2}}+7x-2\]

    D) \[{{x}^{2}}+2x-7\]

    Correct Answer: C

    Solution :

    [c] Required polynomial \[={{x}^{2}}-(sum\,\,of\,\,zeroes)x+(\text{Product of zeroes)}\]
    \[={{x}^{2}}-(-7)x+(-2)={{x}^{2}}+7x-2\]


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