This term refers to an expression where x is raised to the power of 2. It represents squaring whatever value or variable it is multiplied with.
Exponentiation: The process of raising a base to a certain power.
Quadratic function: A function where the highest exponent is 2 and has the general form f(x) = ax^2 + bx + c.
Vertex: The point on the graph of a quadratic function where it reaches its maximum or minimum value.