Tutorial
GCSE Maths: Solving Quadratics by Factorising
Learn how to solve a quadratic equation by first factorising it. This deck covers rearranging the equation to equal zero, the principle of setting factors to zero, and finding the final solutions.
Tutorial
GCSE Maths: Solving Quadratics by Factorising
Learn how to solve a quadratic equation by first factorising it. This deck covers rearranging the equation to equal zero, the principle of setting factors to zero, and finding the final solutions.
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Deck Contents
16 CardsLesson#1
Welcome to solving quadratic equations by factorising. This method builds on your skill of putting quadratic expressions into brackets. We'll learn how to use those brackets to find the specific values that solve the equation.
Lesson#2
A quadratic equation, like x-squared plus 5x plus 6 equals 0, is different from a linear equation because of the x-squared term. This term means the equation can have up to two different solutions, which are the values of x that make the equation true.
Quiz#3
What is the maximum number of solutions a quadratic equation can have?
two
Lesson#4
The first and most important step in solving any quadratic equation is to rearrange it so that one side is equal to zero. All the terms, the x-squared, the x, and the number, should be on one side.
Quiz#5
Before you can solve a quadratic equation by factorising, what must the equation be equal to?
zero
Lesson#6
The standard form for a quadratic equation is ax-squared plus bx plus c equals zero. Getting the equation into this form is always your starting point.
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