A locus is a set of points that contains all the points, and only the points, that satisfy the condition, or conditions, required to describe a geometric figure. The word locus is Latin for place or location. A locus may also be defined as the path...

Sometimes it is useful in mathematics to describe the path that a point traces as it moves in a plane to meet certain conditions. For example, what is the path that a point on the end of the second hand of a clock traces in 60 seconds? This answer, of...

In mathematics, a locus (Latin for "place", plural loci) is a collection of points which share a property. The term 'locus' is usually used of a condition which defines a continuous figure or figures, that is, a curve. For example, a line is the locus...

Parent to child: "You grew almost an inch this month! If you keep growing that fast, how tall will you be when you're my age?" You are traveling with a child in a car. It's a long trip and you are passed by...

This article introduces technology-based teaching ideas that facilitate the development of qualitative reasoning techniques in the context of quadratic equations with parameters. It reflects on activities designed for and used with prospective secondary mathematics teachers in accord with standards for teaching and recommendations...

Mix a troubadour, some William Blake writings, and some off-kilter melodies and you have Rio en Medio. But you’ll also need some ukulele, cello, electronic percussion, and a saw. Add a dash of Jew’s harp, also. Oh, don’t forget some quiet psychedelica. Rio en Medio...

The idea of reincarnation is a bit too ethereal for use as an investment tool. But leading stocks often do give up the ghost, then return, sometimes years later, to yield solid gains. CAN SLIM rules help determine whether and when to jump back in.Case...