A financial analyst who quit to study tai chi shares the simple morning exercise she uses ...
The traditional Chinese art of tai chi is linked to benefits for longevity and reduced stress — try it with a simple exercise ...
BBC4 年
Identifying features of a quadratic functionFinding the turning point and the line of symmetry
The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression in completed square form. Find the equation of the line of symmetry ...