Mathematics for IGCSE & O level - Equations (Section 8 - No. 26)

What type of method is used to solve quadratic equations of the form ax² + bx + c = 0, where a ≠ 0?

Factorization

Completing the square

Quadratic formula

All of the above

Factorization, completing the square, and the quadratic formula are all valid methods for solving such equations.