Answer:
vertex form f(x) = (x - 4)^2 - 4
Step-by-step explanation:
f(x)=x^2-8x+12 in vertex form
look at -8x
take -8 divide it by 2 and square result get 16
f(x) = x^2 - 8x + 16 - 16 + 12
f(x) = (x - 4)^2 - 16 + 12
f(x) = (x - 4)^2 - 4
vertex form f(x) = (x - 4)^2 - 4
