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16 April, 09:50

Which of the following is a quadratic function?

A. y = (x + 2) (2x - 3)

B. y = 3 (x-4)

mo a

D. y = x (x-4) (x+3)

+5
Answers (1)
  1. 16 April, 11:02
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    A is the answer, because the highest exponent is 2.

    quadratic

    A's expression foiled would be 2x^2 + x - 6

    B's expression foiled would be 3x - 12, where the exponent on x is only 1.

    D's expression foiled would be x^3 - x^2 - 12x, where the exponent on x is 3.
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