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2006 AMC 10B Problem 7

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2006 AMC 10B Problem 7AMC 10 Step by Step
Name:                             Date: September 13, 2026
Exponents, Logarithms & Radicals · difficulty 2 of 5 · about 2 min · position P1-10

Which of the following is equivalent to x1−x−1x\sqrt{\frac{x}{1-\frac{x-1}{x}}} when x<0x < 0 ?

  1. A)

    −x-x

  2. B)

    xx

  3. C)

    11

  4. D)

    x2\sqrt{\frac{x}{2}}

  5. E)

    x−1x\sqrt{-1}

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