These tasks are designed for studying the topic "Solving Quadratic Equations" and include the use of the discriminant formula. The set includes 4 packs, each containing 2 cards.The main idea is to apply acquired knowledge and promote teamwork. Two students receive cards of the same color, each with different equations written on them. They solve these equations sequentially. The tasks are different, but the product of the roots of each equation should be the same. This way, students can check ea