book will use that fact to help you learn in a unique way. Most study guides start a chapter with a set of goals, often leaving the starting point unclear. In Must Know High School Pre-calculus, however, each chapter will immediately introduce you to the must know idea, or ideas, that lie behind the new pre-calculus topic. As you learn these must know ideas, the book will show you how to apply that knowledge to solving pre-calculus problems.Focused on the essential concepts of pre-calculus subjects, this accessible guide will help you develop a solid understanding of the subject quickly and painlessly. Clear explanations are accompanied by numerous examples and followed with more challenging aspects of pre-calculus. Practical exercises close each chapter and will instill you with confidence in your growing pre-calculus skills.Must Know High School Pre-calculus features: • Each chapter begins with the must know ideas behind the new topic• Extensive examples illustrate these must know ideas• Students learn how to apply this new knowledge to problem solving• 250 practical review questions instill confidence• IRL (In Real Life) sidebars present real-life examples of the subject at work in culture, science, and history• Special BTW (By the Way) sidebars provide study tips, exceptions to the rule, and issues students should pay extra attention to• Bonus app includes 100 flashcards to reinforce what students have learned 

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