According to Google, a Variable is <span>any factor, trait, or condition that can exist in differing amounts or types. If you type in variable in the Google search bar, it will give you the definition in a little box at the very top of the page :). </span>
For this case we have the following equation: Deriving we have: We match zero: We clear the value of x: Then, we substitute the value of x in the equation of the parabola: Thus, the vertex of the parabola is the ordered pair: Answer: The vertice is: