Which pair of equations generates graphs with the same vertex?

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1

Which pair of equations generates graphs with the same vertex?
A. y = –(x + 4)2 and y = (x – 4)2
B. y = –4x2 and y = 4x2
C. y = –x2 – 4 and y = x2 + 4
D. y = (x – 4)2 and y = x2 + 4