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Mathematics, 10.10.2019 15:00 potato3999

Which of the following equations represents a quadratic function?
1.y(y + 4)(y - 6) = 0
2.(2x - 3)(4x + 5) = 10x
3.(3b)(5b – 7)(b + 8) = 0

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Which of the following equations represents a quadratic function?
1.y(y + 4)(y - 6) = 0
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