Learn how to find the equation of a circle and use the discriminant to prove for tangency in intersections for Higher Maths.

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

The bonus points initiative (BPI) was introduced in 2012 to incentivise the study of higher-level mathematics and with the long-term goal of improving students’ mathematical capabilities. Since its ...

Kinga Morsanyi receives funding from the Economic and Social Research Council (Centre for Early Mathematics Learning; ES/W002914/1). Carlo Tomasetto does not work for, consult, own shares in or ...