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Nonlinear Functions

SAT Math· difficulty 2/5

What are the xx-intercepts of y=(x−2)(x+5)y = (x - 2)(x + 5)?

  • A

    x=2,x=5x = 2, x = 5

  • B

    x=−2,x=−5x = -2, x = -5

  • C

    x=2,x=−5x = 2, x = -5

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  • D

    x=−2,x=5x = -2, x = 5

Explanation

Set y=0y = 0: (x−2)(x+5)=0(x - 2)(x + 5) = 0, so x=2x = 2 or x=−5x = -5.

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