Question

A quadratic function f is given.f(x) = x² + 6x(a) Express f in standard form.f(x) =_____

Answer 1

Given: A quadratic function f is given f(x) = x² + 6x.

Find: Express f in standard form.

Explanation:

$\begin{gathered} f(x)=x^2+6x+9-9 \\ f(x)=(x+3)^2-9 \end{gathered}$

Final answer:

$f(x)=(x+3)^2-9$

is required equation.