Quadratic Equations (in one variable)

(ii) Quadratic Equations in one variable

(a) Nature of roots:

• Two distinct real roots if b² – 4ac > 0.
• Two equal real roots if b² – 4ac = 0.
• No real roots if b² – 4ac < 0.

(b) Solving Quadratic equations by: Factorisation; Using Formula.

(c) Solving simple quadratic equation problems.