Question 1028311
These two videos give strong guidance for these types of problems:


<a href="https://www.youtube.com/watch?v=M8LGsQMwwj4">Derive parabola equation, if vertex at the Origin</a>


<a href="https://www.youtube.com/watch?v=Wworlx39KfQ">Deriving parabola equation for vertex NOT at Origin</a>