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2008 AMC 10B Problem 9

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2008 AMC 10B Problem 9AMC 10 Step by Step
Name:                             Date: September 13, 2026
Quadratics · difficulty 1 of 5 · about 1 min · position P1-10

A quadratic equation ax2−2ax+b=0ax^2 - 2ax + b = 0 has two real solutions. What is the average of these two solutions?

  1. A)

    11

  2. B)

    22

  3. C)

    ba\frac ba

  4. D)

    2ba\frac{2b}a

  5. E)

    2b−a\sqrt{2b-a}

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