Question

Find the vertex of the parabola y = x^2 - 6x +9

Answer 1

\(\bf \textit{vertex of a parabola}\\ \quad \\
y = {\color{red}{ a}}x^2+{\color{blue}{ b}}x+{\color{green}{ c}}\qquad \quad
\left(-\cfrac{{\color{blue}{ b}}}{2{\color{red}{ a}}}\quad ,\quad {\color{green}{ c}}-\cfrac{{\color{blue}{ b}}^2}{4{\color{red}{ a}}}\right)\)

Answer 2

Would the answer be x= -3?

Answer 3

dunno... what did you get for the coordinates?

Answer 4

3,-18