Translations and reflections are examples of transformations of shapes. If a shape is transformed, its position and/or size is changed. Translation is when a shape slides across, up, down or ...

Part of the joy of the winter break is that it’s a chance to read something longer than twenty pages. I spent part of it reading Cathy O’Neil’s “Weapons of Math Destruction,” which is well worth ...

You have /5 articles left. Sign up for a free account or log in. The idea of “reflection” is one of several Euclidean motions in a plane that are studied in ...

If \(f(x) = x^2\), then \(-f(x) = -(x^2)\). This means that each of the \(y\) coordinates will have a sign change. So \(y = 4\) would become \(y = -4\), and \(y = -1 ...