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Search results with tag "Factorising quadratics"
OCR Core 1 Module RevisionSheet - Mathshelper
www.mathshelper.co.ukQuadratics •Factorising quadratics. To check whether a given quadratic factorises calculate the dis-criminant b2 −4ac; if it is a perfect square (4,49,81 etc.) then it factorises. •When the x2 coefficient (the number in front of the x2) is one this is easy.Just spot two numbers which multiply to the constant and add to the x coefficient.
Factorising quadratics - www.mathcentre.ac.uk or http ...
www.mathcentre.ac.uk1. Introduction Inthisunityouwilllearnhowmanyquadraticexpressionscanbefactorised.Essentially,this isthereverseprocessofremovingbracketsfromexpressionssuchas(x+2)(x+3).2.