Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three points. A quadratic graph is a curve, so more points are plotted to support accuracy.

The Google homepage has been given a bright new look with math, which has piqued the interest of users all over the world, ...

Google's Doodle on 12 November celebrates the quadratic equation, a key mathematical formula. The animated artwork illustrates how the equation works, promotes interactive learning and provides ...