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

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

User Bruno Ranschaert
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2 Answers

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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.
User Michael Ruhnau
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8.0k points
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y = -3x^2 + 4x + 4

Educated guess: There may be about 2 x - intercepts in the equation.
User Jef Patat
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7.9k points
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