Ideal for lecture-format courses taught at the post-secondary level, ELEMENTARY AND INTERMEDIATE ALGEBRA, Fourth Edition, makes algebra accessible and engaging. Author Charles "Pat" McKeague's passion for teaching mathematics is apparent on every page, and with many years of experience teaching mathematics, he knows how to write in a way that you will understand and appreciate. His attention to detail and exceptionally clear writing style help you to move through each new concept with ease, and real-world applications in every chapter highlight the relevance of what you are learning.