Question

y= 3x^2+6x. I need help finding vertex. Keep getting sign errors using -b/2a formula. Help please! y= 3x^2+6x. I need help finding vertex. Keep getting sign errors using -b/2a formula. Help please! @Mathematics

Answer 1

anyone?

Answer 2

\[\large vertex = (\frac{-b}{2a}, f(\frac{-b}{2a}))\]

Answer 3

\[\frac{-6}{2(3)} = -1\]

Answer 4

\[\large f(-1) = -3\]

Answer 5

\[\large vertex = (-1,-3)\]