This math topic focuses on calculating the discriminant of quadratic equations. The problems involve identifying the values of the discriminant from given quadratic equations. Each problem presents an equation and multiple answer choices, where the discriminant values are expressed in algebraic form. The task is designed to help reinforce understanding of how the discriminant can determine the nature and type of roots of quadratic equations. This is fundamental knowledge in the area of quadratic equations and discriminants, aimed at providing foundational skills for further mathematical studies.