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.
NEWS: Kelly Clarkson Releases Tracklist, Cover Art for 'Piece by Piece'. The 59-year-old performer was thrilled to death when Clarkson married Blackstock in 2013, and she couldn't be happier for the positive developments in her daughter-in-law's life, both personally and professionally.