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30 June, 02:58

Use the quadratic formula to solve x2 + 8x + 9 = 0. Estimate irrational solutions to the nearest tenth.

{-6.6, - 1.4}

{-18, 10}

{-13.3, - 2.7}

{-3.7, 14.3}

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Answers (2)
  1. 30 June, 04:16
    0
    I'm Pretty Sure It Would Be Answer A. {-6.6, - 1.4}
  2. 30 June, 04:27
    0
    Dianna67 is right. The answer is (-6.6, - 1.4). If you use the quadratic formula, you will get two solutions:

    -4 - sqrt of 7 & sqrt of 7 - 4
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