What are quadratic equations?
This post will help you when solving quadratic equations using the quadratic formula and by completing the square, as a part of the Prelim Maths Advanced course under the topic Working with Functions and sub-part Algebraic Techniques. A quadratic equation is an equation in the form of ax^{2} + bx + c , where the highest power of the variable is a 2.
How to solve quadratic equations by factorising
This video covers the basics of solving quadratic equations by taking out the common factor.
How to use the quadratic formula
The following video introduces the quadratic formula, where it can be used to solve quadratic equations.
How to complete the square
This video covers the best method to go about completing the square to factorise a quadratic equation.
