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Nonlinear Functions

SAT Math· difficulty 2/5

What is the vertex of y=(x+2)2−7y = (x+2)^2 - 7?

  • A

    (2,7)(2, 7)

  • B

    (−2,7)(-2, 7)

  • C

    (−2,−7)(-2, -7)

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  • D

    (2,−7)(2, -7)

Explanation

Rewrite as y=(x−(−2))2+(−7)y = (x-(-2))^2 + (-7), vertex (−2,−7)(-2, -7).

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