Multiple Choice Question (MCQ)

If -1< x < 0, then the size relationship among -x^2, x, \dfrac{1}{x} is

  1. ×

    -x^2< x < \dfrac{1}{x}

  2. \dfrac{1}{x}< x < -x^2

  3. ×

    x< -x^2< \dfrac{1}{x}

  4. ×

    \dfrac{1}{x}< - x^2< x


Collected in the board: Fractions

Steven Zheng posted 15 hours ago

Answer

  1. Since -1< x < 0,

    x< -x^2

    and

    \dfrac{1}{x} < x

    Therefore \dfrac{1}{x}< x < -x^2

    B is the correct answer

Steven Zheng posted 15 hours ago

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