• Quadratic equations are written in standard form: ax² + bx + c = 0
• Steps to use the quadratic formula: identify a, b, and c, plug into the formula, and simplify
• Examples of using the quadratic formula to solve for x in different equations
• The discriminant determines the number of real solutions: positive, negative, or zero
• Understanding the quadratic formula and discriminant is useful in real-life applications

For further guidance and practice, refer to the provided quadratic formula notes for beginners, quadratic formula worksheet, and examples of quadratic formula applications in real life in the attached PDF documents.