quadratic expression
A polynomial expression in which the degree is 2.
A quadratic expression is a mathematical expression containing at least one squared term of a variable, with the highest-degree term being two. It is in the form of ax^2 + bx + c, where a, b and c are constants, and x is the variable. The graph of a quadratic expression is a parabola with a vertex at (-b/2a, f(-b/2a)). Exponential growth and decay, motion such as free fall, and optimization problems can be modeled using quadratic expressions.
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