Using the Quadratic Formula
A Level Maths
Videos, activities and worksheets that are suitable for A Level Maths to help students learn how to solve quadratic equations using the quadratic formula.
Quadratic Equations - solving using the formula
Some quadratic equations cannot be solved by factorising and so an alternative method is the quadratic formula. This tutorial shows you when to use it, clues given in a question and common mistakes that are made
Core 1 Quadratic Equations formula
Quadratic equations can be solved using a formula, by factorisation, or completing the square. This lesson gives worked examples of using the quadratic formula to solve equations.
Solving Quadratic Equations using the Quadratic Formula - Core 1 Edexcel A-Level Maths
Quadratic Equations - exact values on a calculator
Some calculators can work out the solutions to a quadratic equation as an exact value in surd form rather than give the answer as a decimal. This video demonstrates a calculation on a casio fx-85ES model.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.