The function mmm is given in three equivalent forms.
 Which form most quickly reveals the vertex?
 Choose 1 answer:
 Choose 1 answer:
 (Choice A)
 A
 m(x)=-2(x-6)^2+18m(x)=−2(x−6) 
 2
 +18m, left parenthesis, x, right parenthesis, equals, minus, 2, left parenthesis, x, minus, 6, right parenthesis, squared, plus, 18
 (Choice B)
 B
 m(x)=-2(x-3)(x-9)m(x)=−2(x−3)(x−9)m, left parenthesis, x, right parenthesis, equals, minus, 2, left parenthesis, x, minus, 3, right parenthesis, left parenthesis, x, minus, 9, right parenthesis
 (Choice C)
 C
 m(x)=-2x^2+24x-54m(x)=−2x 
 2
 +24x−54m, left parenthesis, x, right parenthesis, equals, minus, 2, x, squared, plus, 24, x, minus, 54
 What is the vertex?