Question

what is the turning point of the parabola whose equation is y=2x^+4x-3

Answer 1

$\bf \textit{vertex of a parabola}\\ \quad \\ \begin{array}{llccll} y=&2x^2&+4x&-3\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array}\qquad \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)$