Question 348222
Look at the squared term:<ul><li>{{{x^2}}} with a positive coefficient: Opens upward.</li><li>{{{x^2}}} with a negative coefficient: Opens downward.</li><li>{{{y^2}}} with a positive coefficient: Opens to the right.</li><li>{{{y^2}}} with a negative coefficient: Opens to the left.</li></ul>
Your equation has {{{x^2}}} with a negative coefficient (-1) so it opens downward.