Synopses & Reviews
Synopsis
Algebra is really arithmetic in disguise.
Table of Contents
Number system revisited -- The integers revisited -- The order of operations and the distributive law -- Fractions revisited -- Decimals revisited -- Roots and radicals -- Scientific notation -- Albegra: variables and expressions -- Polynomials -- Algebraic fractions -- Expressions versus equations versus identities -- Linear equations -- The word problem problem -- Quadratic equations -- Yet more equations -- Simultaneous equations -- Inequalities -- Absolute value -- The cartesian plane -- Distances and midpoints in the plane -- Lines.