No matter how it’s calculated, more students, combined with greater difficulty, equates to big demand for help with advanced algebra. The percentage of high school graduates who have taken Algebra II has more than doubled in the last two decades. Algebra II is a prerequisite to trigonometry and calculus–both required for careers in science, math, and business. There is also an increased emphasis on algebra and advanced algebra in standardized tests such as the all-important ACT and SAT.

This book picks up where Algebra For Dummies, America’s top-selling algebra title, leaves off. It emphasizes the meaning and use of linear and quadratic equations; polynomial, exponential, and logarithmic functions; and irrational and complex numbers. In addition, it covers in-depth graphing and inequalities and introduces probability, statistics, sequences, and series. Perfect for students and others who want to go beyond the basics of algebra, this guide does it all in the friendly, unintimidating For Dummies style with easy-to-understand, step-by-step examples and explanations.