Question

How to find the vertex of a parabola given a quadratic equation?

Answer 1

`let \: f(x) = ax {}^(2) + bx + c \\ thus \: f(x) \: represents \: a \: parabola \: whose \: axis \: is \: parallel \: to \: the \: y \: axis \: and \: vertex \: is \: ( - b)/(2a) ,( - d)/(4a) \\`

At the respective max and min values