Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?

[Karthik]

Which equation is y = 2x2 – 8x + 9 rewritten in vertex form?

A. y = 2(x – 2)2 + 9
B. y = 2(x – 2)2 + 5
C. y = 2(x – 2)2 + 1
D. y = 2(x – 2)2 + 17