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17 January, 00:42

Calculate the discriminant: 5x² + 2x - 2 = 0

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Answers (2)
  1. 17 January, 01:46
    0
    44

    Step-by-step explanation:

    The equation is of the form a x ²+bx + c = 0 where

    a = 5, b = - 2, c = - 2

    The Discriminant is given by:

    Δ = b² - 4 * a * c

    = (-2²) - (4 * 5 * ( - 2))

    = 4 + 40

    = 44
  2. 17 January, 02:23
    0
    The quadratic formula is b squared - 4 (ac)

    So we substitute 2 squared - 4 (5•-2)

    Which the answer would be 44
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