Question 1022888
The focus is at  (-5,2).  Do you know why?


The parabola has horizontal symmetry axis and opens to the left.


Study this video explaining and demonstrating how to find equation of a parabola using focus and vertex.
<a href="https://www.youtube.com/watch?v=Wworlx39KfQ">video: parabola equation using focus and directrix, vertex not at origin</a>