Ebook: Teach Yourself: Algebra: a Complete Introduction

Introduction -- The meaning of algebra -- Elementary operations in algebra -- Brackets and operations with them -- Positive and negative numbers -- Equations and expressions -- Linear equations -- Formulae -- Simultaneous equations -- Linear inequalities -- Straight-line graphs: coordinates -- Using inequalities to define regions -- Multiplying algebraical expressions -- Factors -- Fractions -- Graphs of quadratic functions -- Quadratic equations -- Indices -- Logarithms -- Ratio and proportion -- Variation -- The determination of laws -- Rational and irrational numbers and surds -- Arithmetical and geometrical sequences.