This topic focuses on determining the types of roots a quadratic function would have by analyzing graphs. Each question provides a graph of a quadratic function, and students are asked to decide whether the function has two complex roots, one real root, or two real roots. This practice enhances understanding of the quadratic discriminant's role in determining the nature and number of roots based on the graph's intersection with the x-axis. This is a fundamental aspect of studying quadratic equations and discriminants.