Google Doodle turns spotlight on the quadratic equation: The formula behind every curve explained

Google's latest doodle in India celebrates the quadratic equation, ax² + bx + c = 0, showcasing its real-world applications ...
BBC

Determine the equation of a quadratic function from its graph

In this part you do not have to sketch the graph and you may even be given the sketch of the graph to start with. For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following diagram ...