This tenth edition features revised explanatory material, new examples, and technical applications to the hottest careers. New exercises have been included in nearly all sections. More technical applications show how algebra and trigonometry are used in technical fields such as computer design, electronics, solar energy, automotive, refrigeration, fire science, policing, and more! New Quick Chapter Reviews appear before the Review Exercises and include brief true or false questions. Earlier coverage of changing units (introduced in Chapter 1 and Chapter 2) provide students with a timely refresher on this basic math skill. 230 graphing calculator screens reinforce how to use the TI-89 graphing calculator for computations, charting and 14 other graphing calculator programs (see Section 1.3, 3.5, and Appendix C). Over 1300 new exercises give students ample opportunity for practice and homework. Over 330 applied exercises reinforce why math matters in technical and science fields. 150 new word problems encourage students to develop higher level thinking skills. 90 new figures, 60 new margin notes, and 90 new note indicators keep explanatory material, and your course, current.