Solving quadratic equations is quite an important skill in mathematics. Many situations in life can be modeled with quadratic equations. Before reading this lesson, you may want to study or review the lesson that shows what factoring is.
The goal of this lesson is to familiarize you with the numbers of ways or methods that are used to solve quadratic equations. Usually this involves factoring the equation first.
Below, we show the three different ways or methods to solve a quadratic equation.
This is the most popular way to solve quadratic equations.
This method shows you how to solve quadratic equations of the form ax2 + bx + c = 0, when a = 1 or when a is not equal to 1. When a = 1, it is quite straightforward! When a is equal to 1, it is somewhat tedious. You will need to do trial and error. Check the lesson to see how!
Method #1: solving quadratic equations by factoring
Method #2: solve by completing the squareThis is the most complicated way to solve quadratic equations.
Method #3: solve using the quadratic formulaThis is the most straightforward way to solve any quadratic equations since all you need to do is to plug in numbers into the formula.
Do you have some great quadratic equations problems? Share them here with the solutions!