# Chapter 9 Quadratic Relations and Conic Sections - 9.2 Graph and Write Equations of Parabolas - Guided Practice for Examples 1 and 2 - Page 622: 6

$y^2=-4x$

#### Work Step by Step

If the parabola has its vertex at $(0,0)$ and its directrix at $x=-p$ then the equation is: $y^2=4px$. Hence here $p=-4$, thus the equation is: $y^2=-4x$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.