👉 In mathematics, a joint is a set of two or more elements that share some property. For example, in geometry, a quadrilateral can be defined as a 4-sided shape with four sides and four vertices. A joint in algebraic terms refers to the collection of all possible solutions (or roots) for a given polynomial equation. In mathematics, a quadratic equation is an equation of the form ax^2 + bx + c = 0, where a, b, and c are