1 The graph of any quadratic equation is a parabola.  All parabolas have an axis of symmetry and the point at which the axis of symmetry intersects the parabola is called the vertex of the parabola and the vertex lies half way between the focus and the directrix.
As far as weight, Clarkson weighs around 165 pounds currently. She has lost weight in the past weighing in at around 145 pounds. Nutrition is always on Kellyâs mind amidst her busy lifestyle of singing and taking the time to help others. It is unknown if Kelly Clarkson participates in daily exercise. She does stay active which is one step in the right direction for overall health.
Jennifer Lopez Drops 10 Pounds â Her Meat-, Dairy-, & Gluten-Free Diet. 1  Jennifer Lopez has always looked amazing, but the singerâs July 2014 âUs Weeklyâ cover showed that she is no where near done improving herself. The now 10-pounds-lighter star looks super fit and fabulous! Keep reading below to find out Jenniferâs exact diet plan and renewed confidence! Jennifer Lopez may be wrapping up her Dance Again tour, but this singer has proven that whether or not she is on stage, she will be turning heads. The 44-year-old star graces the cover of Us Weekly and gives us all another reason to look when she showed off her beautiful 10 pound weight loss.