Quadratic Equations Revision Guide
Revision Guide
Key concepts, formulas, solved examples and practice questions
What you will learn
- Standard forms and factors
- Methods of solving
- Nature of roots
- Real-life applications
Key Formula
ax² + bx + c = 0Discriminant: D = b² - 4ac
Standard Form
The general form of a quadratic equation is ax² + bx + c = 0.
Worked Example
Solve: x² - 5x + 6 = 0
(x - 2)(x - 3) = 0