REVISION NOTES
IGCSE Edexcel Mathematics A
a
2.7 Quadratic Equations
2.7.1 Solve quadratic equations by factorisation (limited to x² + bx + c = 0)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_001_Factorising-01](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_001_Factorising-01.png)
2.7.2 Solve quadratic equations by using the quadratic formula or completing the square (Higher Tier Only)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_002_Completing the Square (a = 1)](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_002_Completing-the-Square-a-1-1.png)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_003_Completing the Square (a = 1)](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_003_Completing-the-Square-a-1.png)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_004_Completing the Square (a = 1)](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_004_Completing-the-Square-a-1.png)
2.7.3 Form and solve quadratic equations from data given in a context (Higher Tier Only)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_007_Quadratic Formula](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_007_Quadratic-Formula.png)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_008_Quadratic Formula](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_008_Quadratic-Formula.png)
![edexcel_igcse_mathematics a_topic 18_quadratic equations_009_Quadratic Simultaneous Equation](https://resource.studiaacademy.com/wp-content/uploads/2023/08/edexcel_igcse_mathematics-a_topic-18_quadratic-equations_009_Quadratic-Simultaneous-Equation.png)
2.7.4 Solve simultaneous equations in two unknowns, one equation being linear and the other being quadratic (Higher Tier Only)