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23 January, 10:26

The following equation is given.

9-5x2 - 9x + 45=0

a. List all rational roots that are possible

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Answers (1)
  1. 23 January, 13:52
    0
    5x² - 9x + 45 = 0

    Δ = b² - 4. a. c

    Δ = (-9) ² - 4. 5. 45

    Δ = 81 - 4. 5. 45

    Δ = - 819

    There's no real root.
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