Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2