Quadratic Equations

Author: E. Ramanathan

1. Topic tree
2. TDS – Terms Definition and Symbols
3. DEF – Data, Equations and Formulae
4. Infographics
5. Concept maps / Model Problem Mapping
6. Question bank
7. Guided Practice
8. Time tested Target Practice
9. Quiz
10. Oral Test
11. Unit Test
12. Project

Topic Tree

• General format of quadratic equation
• Methods of solving quadratic equations
  • Factorisation method
  • Quadratic formula method
  • Completing the square method

• Nature of roots
• Sum of roots and product of roots
• Finding the k value
• Word problems

Terms, Definitions and Symbols

Discriminant (D)

D = b² -4ac ; where, b = coefficient of x, c = constant