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2005 AMC 10A Problem 10

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2005 AMC 10A Problem 10AMC 10 Step by Step
Name:                             Date: September 13, 2026
Quadratics · difficulty 2 of 5 · about 2 min · position P1-10

There are two values of aa for which the equation 4x2+ax+8x+9=04x^2 + ax + 8x + 9 = 0 has only one solution for xx . What is the sum of those values of aa ?

  1. A)

    −16-16

  2. B)

    −8-8

  3. C)

    00

  4. D)

    88

  5. E)

    2020

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