SAT Math Practice Question
$$y=-(x-3)^{2}+a$$In the equation above, $a$ is a constant. The graph of the equation in the $x y$-plane is a parabola. Which of the following is true about the parabola?
- A.Its minimum occurs at $(-3, a)$.
- B.Its minimum occurs at $(3, a)$.
- C.Its maximum occurs at $(-3, a)$.
- D.Its maximum occurs at $(3, a)$.
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