Answer:
The vertex of a parabola is the point where the parabola crosses its axis of symmetry.If the coefficient of the [tex]x^{2}[/tex] term is postive Step-by-step explanation:
U shape. the coffiecent of the [tex]x^{2}[/tex] term negative.
Parabola: [tex]y=ax^{2} +bx+c\\y=a(x-h)x^{2} +k\\(h,k)[/tex]