For tips on how to do this, look at Factorising quadratics and Factorisation of further quadratics in this guide. For (\({x}\) + 2)(\({x}\) + 7) to equal 0 either the first or second bracket must be ...

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

The Doodle shows how the parabola changes with different numbers, making learning math fun and interactive for students.

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.