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9 October, 10:50

How many x-intercepts are there in y = - 3x2 + 4x + 4

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Answers (2)
  1. 9 October, 11:07
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    Y = - 3x^2 + 4x + 4

    Educated guess: There may be about 2 x - intercepts in the equation.
  2. 9 October, 12:48
    0
    You can factor it to find the answer:

    -3x^2 + 4x + 4

    - (3x^2 - 4x - 4)

    - (3x + 2) (x - 2)

    x=-2/3 or 2, which means that there are x intercepts, at - 2/3 and 2.
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