In mathematics, a quadratic is a type of problem that deals with a variable multiplied by itself — an operation known as squaring. This language derives from the area of a square being its side length ...

Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...