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Mathcentre
Found 3 free book(s)
Factorising quadratics - www.mathcentre.ac.uk or http ...
www.mathcentre.ac.uk1. Introduction Inthisunityouwilllearnhowmanyquadraticexpressionscanbefactorised.Essentially,this isthereverseprocessofremovingbracketsfromexpressionssuchas(x+2)(x+3).2.
Logarithms - mathcentre.ac.uk
www.mathcentre.ac.ukLogarithms mc-TY-logarithms-2009-1 Logarithms appear in all sorts of calculations in engineering and science, business and economics. Before the days of calculators they were used to assist in the process of multiplication by replacing
Cubic equations
www.mash.dept.shef.ac.ukCubic equations Acubicequationhastheform ax3 +bx2 +cx+d =0 wherea =0 Allcubicequationshaveeitheronerealroot,orthreerealroots. Inthisunitweexplorewhy thisisso. Then we ...